Home / 7,447.19-11,158.48-5,251.31

Finding the Fourth Proportional to 7,447.19, 11,158.48 and 5,251.31

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Solution

The fourth proportional to 7,447.19, 11,158.48 and 5,251.31 is: 7,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.19 : 11,158.48 = 5,251.31 : x
  2. Step 2: Convert to fraction form
    7,447.19/11,158.48 = 5,251.31/x
  3. Step 3: Cross multiply
    7,447.19x = 11,158.48 × 5,251.31
  4. Step 4: Simplify right side
    7,447.19x = 58,596,613.61
  5. Step 5: Solve for x
    x = 58,596,613.61/7,447.19
  6. Step 6: Final answer
    x = 7,868.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.