Home / 9,154.16-13,727.98-3,957.20

Finding the Fourth Proportional to 9,154.16, 13,727.98 and 3,957.20

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Solution

The fourth proportional to 9,154.16, 13,727.98 and 3,957.20 is: 5,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.16 : 13,727.98 = 3,957.20 : x
  2. Step 2: Convert to fraction form
    9,154.16/13,727.98 = 3,957.20/x
  3. Step 3: Cross multiply
    9,154.16x = 13,727.98 × 3,957.20
  4. Step 4: Simplify right side
    9,154.16x = 54,324,362.46
  5. Step 5: Solve for x
    x = 54,324,362.46/9,154.16
  6. Step 6: Final answer
    x = 5,934.39

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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.