Home / 8,450.20-12,675.30-2,901.70

Finding the Fourth Proportional to 8,450.20, 12,675.30 and 2,901.70

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Solution

The fourth proportional to 8,450.20, 12,675.30 and 2,901.70 is: 4,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.20 : 12,675.30 = 2,901.70 : x
  2. Step 2: Convert to fraction form
    8,450.20/12,675.30 = 2,901.70/x
  3. Step 3: Cross multiply
    8,450.20x = 12,675.30 × 2,901.70
  4. Step 4: Simplify right side
    8,450.20x = 36,779,918.01
  5. Step 5: Solve for x
    x = 36,779,918.01/8,450.20
  6. Step 6: Final answer
    x = 4,352.55

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,451.20, 12,676.80 and 2,902.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.