Home / 7,531.20-10,393.13-4,174.09

Finding the Fourth Proportional to 7,531.20, 10,393.13 and 4,174.09

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Solution

The fourth proportional to 7,531.20, 10,393.13 and 4,174.09 is: 5,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.20 : 10,393.13 = 4,174.09 : x
  2. Step 2: Convert to fraction form
    7,531.20/10,393.13 = 4,174.09/x
  3. Step 3: Cross multiply
    7,531.20x = 10,393.13 × 4,174.09
  4. Step 4: Simplify right side
    7,531.20x = 43,381,844.45
  5. Step 5: Solve for x
    x = 43,381,844.45/7,531.20
  6. Step 6: Final answer
    x = 5,760.28

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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.