Home / 8,957.72-13,439.30-3,618.16

Finding the Fourth Proportional to 8,957.72, 13,439.30 and 3,618.16

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Solution

The fourth proportional to 8,957.72, 13,439.30 and 3,618.16 is: 5,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.72 : 13,439.30 = 3,618.16 : x
  2. Step 2: Convert to fraction form
    8,957.72/13,439.30 = 3,618.16/x
  3. Step 3: Cross multiply
    8,957.72x = 13,439.30 × 3,618.16
  4. Step 4: Simplify right side
    8,957.72x = 48,625,486.00
  5. Step 5: Solve for x
    x = 48,625,486.00/8,957.72
  6. Step 6: Final answer
    x = 5,428.33

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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.