Home / 9,177.20-13,772.72-4,250.30

Finding the Fourth Proportional to 9,177.20, 13,772.72 and 4,250.30

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Solution

The fourth proportional to 9,177.20, 13,772.72 and 4,250.30 is: 6,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.20 : 13,772.72 = 4,250.30 : x
  2. Step 2: Convert to fraction form
    9,177.20/13,772.72 = 4,250.30/x
  3. Step 3: Cross multiply
    9,177.20x = 13,772.72 × 4,250.30
  4. Step 4: Simplify right side
    9,177.20x = 58,538,152.89
  5. Step 5: Solve for x
    x = 58,538,152.89/9,177.20
  6. Step 6: Final answer
    x = 6,378.65

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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.