Home / 7,123.10-10,658.43-4,301.87

Finding the Fourth Proportional to 7,123.10, 10,658.43 and 4,301.87

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Solution

The fourth proportional to 7,123.10, 10,658.43 and 4,301.87 is: 6,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.10 : 10,658.43 = 4,301.87 : x
  2. Step 2: Convert to fraction form
    7,123.10/10,658.43 = 4,301.87/x
  3. Step 3: Cross multiply
    7,123.10x = 10,658.43 × 4,301.87
  4. Step 4: Simplify right side
    7,123.10x = 45,851,126.97
  5. Step 5: Solve for x
    x = 45,851,126.97/7,123.10
  6. Step 6: Final answer
    x = 6,436.97

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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.