Home / 9,331.20-12,877.74-5,353.56

Finding the Fourth Proportional to 9,331.20, 12,877.74 and 5,353.56

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Solution

The fourth proportional to 9,331.20, 12,877.74 and 5,353.56 is: 7,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.20 : 12,877.74 = 5,353.56 : x
  2. Step 2: Convert to fraction form
    9,331.20/12,877.74 = 5,353.56/x
  3. Step 3: Cross multiply
    9,331.20x = 12,877.74 × 5,353.56
  4. Step 4: Simplify right side
    9,331.20x = 68,941,753.75
  5. Step 5: Solve for x
    x = 68,941,753.75/9,331.20
  6. Step 6: Final answer
    x = 7,388.31

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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.