Home / 5,337.20-8,009.52-3,147.28

Finding the Fourth Proportional to 5,337.20, 8,009.52 and 3,147.28

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Solution

The fourth proportional to 5,337.20, 8,009.52 and 3,147.28 is: 4,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.20 : 8,009.52 = 3,147.28 : x
  2. Step 2: Convert to fraction form
    5,337.20/8,009.52 = 3,147.28/x
  3. Step 3: Cross multiply
    5,337.20x = 8,009.52 × 3,147.28
  4. Step 4: Simplify right side
    5,337.20x = 25,208,202.11
  5. Step 5: Solve for x
    x = 25,208,202.11/5,337.20
  6. Step 6: Final answer
    x = 4,723.11

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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.