Home / 8,501.40-12,761.70-6,562.20

Finding the Fourth Proportional to 8,501.40, 12,761.70 and 6,562.20

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Solution

The fourth proportional to 8,501.40, 12,761.70 and 6,562.20 is: 9,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.40 : 12,761.70 = 6,562.20 : x
  2. Step 2: Convert to fraction form
    8,501.40/12,761.70 = 6,562.20/x
  3. Step 3: Cross multiply
    8,501.40x = 12,761.70 × 6,562.20
  4. Step 4: Simplify right side
    8,501.40x = 83,744,827.74
  5. Step 5: Solve for x
    x = 83,744,827.74/8,501.40
  6. Step 6: Final answer
    x = 9,850.71

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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.