Home / 8,270.50-12,406.20-2,427.70

Finding the Fourth Proportional to 8,270.50, 12,406.20 and 2,427.70

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Solution

The fourth proportional to 8,270.50, 12,406.20 and 2,427.70 is: 3,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.50 : 12,406.20 = 2,427.70 : x
  2. Step 2: Convert to fraction form
    8,270.50/12,406.20 = 2,427.70/x
  3. Step 3: Cross multiply
    8,270.50x = 12,406.20 × 2,427.70
  4. Step 4: Simplify right side
    8,270.50x = 30,118,531.74
  5. Step 5: Solve for x
    x = 30,118,531.74/8,270.50
  6. Step 6: Final answer
    x = 3,641.68

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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.