Home / 9,127.20-12,593.60-5,349.60

Finding the Fourth Proportional to 9,127.20, 12,593.60 and 5,349.60

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Solution

The fourth proportional to 9,127.20, 12,593.60 and 5,349.60 is: 7,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.20 : 12,593.60 = 5,349.60 : x
  2. Step 2: Convert to fraction form
    9,127.20/12,593.60 = 5,349.60/x
  3. Step 3: Cross multiply
    9,127.20x = 12,593.60 × 5,349.60
  4. Step 4: Simplify right side
    9,127.20x = 67,370,722.56
  5. Step 5: Solve for x
    x = 67,370,722.56/9,127.20
  6. Step 6: Final answer
    x = 7,381.31

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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.