Home / 8,758.38-12,086.56-6,244.87

Finding the Fourth Proportional to 8,758.38, 12,086.56 and 6,244.87

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Solution

The fourth proportional to 8,758.38, 12,086.56 and 6,244.87 is: 8,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.38 : 12,086.56 = 6,244.87 : x
  2. Step 2: Convert to fraction form
    8,758.38/12,086.56 = 6,244.87/x
  3. Step 3: Cross multiply
    8,758.38x = 12,086.56 × 6,244.87
  4. Step 4: Simplify right side
    8,758.38x = 75,478,935.51
  5. Step 5: Solve for x
    x = 75,478,935.51/8,758.38
  6. Step 6: Final answer
    x = 8,617.91

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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.