Home / 5,426.92-8,140.66-1,531.62

Finding the Fourth Proportional to 5,426.92, 8,140.66 and 1,531.62

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Solution

The fourth proportional to 5,426.92, 8,140.66 and 1,531.62 is: 2,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.92 : 8,140.66 = 1,531.62 : x
  2. Step 2: Convert to fraction form
    5,426.92/8,140.66 = 1,531.62/x
  3. Step 3: Cross multiply
    5,426.92x = 8,140.66 × 1,531.62
  4. Step 4: Simplify right side
    5,426.92x = 12,468,397.67
  5. Step 5: Solve for x
    x = 12,468,397.67/5,426.92
  6. Step 6: Final answer
    x = 2,297.51

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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.