Home / 7,817.48-11,726.46-3,432.68

Finding the Fourth Proportional to 7,817.48, 11,726.46 and 3,432.68

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Solution

The fourth proportional to 7,817.48, 11,726.46 and 3,432.68 is: 5,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.48 : 11,726.46 = 3,432.68 : x
  2. Step 2: Convert to fraction form
    7,817.48/11,726.46 = 3,432.68/x
  3. Step 3: Cross multiply
    7,817.48x = 11,726.46 × 3,432.68
  4. Step 4: Simplify right side
    7,817.48x = 40,253,184.71
  5. Step 5: Solve for x
    x = 40,253,184.71/7,817.48
  6. Step 6: Final answer
    x = 5,149.13

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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.