Home / 8,892.79-12,272.41-5,115.96

Finding the Fourth Proportional to 8,892.79, 12,272.41 and 5,115.96

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Solution

The fourth proportional to 8,892.79, 12,272.41 and 5,115.96 is: 7,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.79 : 12,272.41 = 5,115.96 : x
  2. Step 2: Convert to fraction form
    8,892.79/12,272.41 = 5,115.96/x
  3. Step 3: Cross multiply
    8,892.79x = 12,272.41 × 5,115.96
  4. Step 4: Simplify right side
    8,892.79x = 62,785,165.06
  5. Step 5: Solve for x
    x = 62,785,165.06/8,892.79
  6. Step 6: Final answer
    x = 7,060.23

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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.