Home / 9,129.16-12,598.30-5,351.48

Finding the Fourth Proportional to 9,129.16, 12,598.30 and 5,351.48

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Solution

The fourth proportional to 9,129.16, 12,598.30 and 5,351.48 is: 7,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.16 : 12,598.30 = 5,351.48 : x
  2. Step 2: Convert to fraction form
    9,129.16/12,598.30 = 5,351.48/x
  3. Step 3: Cross multiply
    9,129.16x = 12,598.30 × 5,351.48
  4. Step 4: Simplify right side
    9,129.16x = 67,419,550.48
  5. Step 5: Solve for x
    x = 67,419,550.48/9,129.16
  6. Step 6: Final answer
    x = 7,385.08

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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.