Home / 9,177.34-13,757.89-3,980.38

Finding the Fourth Proportional to 9,177.34, 13,757.89 and 3,980.38

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Solution

The fourth proportional to 9,177.34, 13,757.89 and 3,980.38 is: 5,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.34 : 13,757.89 = 3,980.38 : x
  2. Step 2: Convert to fraction form
    9,177.34/13,757.89 = 3,980.38/x
  3. Step 3: Cross multiply
    9,177.34x = 13,757.89 × 3,980.38
  4. Step 4: Simplify right side
    9,177.34x = 54,761,630.20
  5. Step 5: Solve for x
    x = 54,761,630.20/9,177.34
  6. Step 6: Final answer
    x = 5,967.05

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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.