Home / 8,600.16-12,905.04-3,669.24

Finding the Fourth Proportional to 8,600.16, 12,905.04 and 3,669.24

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Solution

The fourth proportional to 8,600.16, 12,905.04 and 3,669.24 is: 5,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.16 : 12,905.04 = 3,669.24 : x
  2. Step 2: Convert to fraction form
    8,600.16/12,905.04 = 3,669.24/x
  3. Step 3: Cross multiply
    8,600.16x = 12,905.04 × 3,669.24
  4. Step 4: Simplify right side
    8,600.16x = 47,351,688.97
  5. Step 5: Solve for x
    x = 47,351,688.97/8,600.16
  6. Step 6: Final answer
    x = 5,505.91

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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.