Home / 8,937.28-12,333.77-5,399.81

Finding the Fourth Proportional to 8,937.28, 12,333.77 and 5,399.81

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Solution

The fourth proportional to 8,937.28, 12,333.77 and 5,399.81 is: 7,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.28 : 12,333.77 = 5,399.81 : x
  2. Step 2: Convert to fraction form
    8,937.28/12,333.77 = 5,399.81/x
  3. Step 3: Cross multiply
    8,937.28x = 12,333.77 × 5,399.81
  4. Step 4: Simplify right side
    8,937.28x = 66,599,966.41
  5. Step 5: Solve for x
    x = 66,599,966.41/8,937.28
  6. Step 6: Final answer
    x = 7,451.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.