Home / 8,864.56-12,234.88-5,090.28

Finding the Fourth Proportional to 8,864.56, 12,234.88 and 5,090.28

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Solution

The fourth proportional to 8,864.56, 12,234.88 and 5,090.28 is: 7,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.56 : 12,234.88 = 5,090.28 : x
  2. Step 2: Convert to fraction form
    8,864.56/12,234.88 = 5,090.28/x
  3. Step 3: Cross multiply
    8,864.56x = 12,234.88 × 5,090.28
  4. Step 4: Simplify right side
    8,864.56x = 62,278,964.97
  5. Step 5: Solve for x
    x = 62,278,964.97/8,864.56
  6. Step 6: Final answer
    x = 7,025.61

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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.