Home / 8,250.59-11,381.78-4,712.87

Finding the Fourth Proportional to 8,250.59, 11,381.78 and 4,712.87

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Solution

The fourth proportional to 8,250.59, 11,381.78 and 4,712.87 is: 6,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.59 : 11,381.78 = 4,712.87 : x
  2. Step 2: Convert to fraction form
    8,250.59/11,381.78 = 4,712.87/x
  3. Step 3: Cross multiply
    8,250.59x = 11,381.78 × 4,712.87
  4. Step 4: Simplify right side
    8,250.59x = 53,640,769.04
  5. Step 5: Solve for x
    x = 53,640,769.04/8,250.59
  6. Step 6: Final answer
    x = 6,501.45

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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.