Home / 7,414.72-11,123.36-4,126.40

Finding the Fourth Proportional to 7,414.72, 11,123.36 and 4,126.40

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Solution

The fourth proportional to 7,414.72, 11,123.36 and 4,126.40 is: 6,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.72 : 11,123.36 = 4,126.40 : x
  2. Step 2: Convert to fraction form
    7,414.72/11,123.36 = 4,126.40/x
  3. Step 3: Cross multiply
    7,414.72x = 11,123.36 × 4,126.40
  4. Step 4: Simplify right side
    7,414.72x = 45,899,432.70
  5. Step 5: Solve for x
    x = 45,899,432.70/7,414.72
  6. Step 6: Final answer
    x = 6,190.31

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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.