Home / 4,252.70-6,379.05-3,100.70

Finding the Fourth Proportional to 4,252.70, 6,379.05 and 3,100.70

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Solution

The fourth proportional to 4,252.70, 6,379.05 and 3,100.70 is: 4,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.70 : 6,379.05 = 3,100.70 : x
  2. Step 2: Convert to fraction form
    4,252.70/6,379.05 = 3,100.70/x
  3. Step 3: Cross multiply
    4,252.70x = 6,379.05 × 3,100.70
  4. Step 4: Simplify right side
    4,252.70x = 19,779,520.34
  5. Step 5: Solve for x
    x = 19,779,520.34/4,252.70
  6. Step 6: Final answer
    x = 4,651.05

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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.