Home / 8,937.24-12,335.97-5,400.72

Finding the Fourth Proportional to 8,937.24, 12,335.97 and 5,400.72

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Solution

The fourth proportional to 8,937.24, 12,335.97 and 5,400.72 is: 7,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.24 : 12,335.97 = 5,400.72 : x
  2. Step 2: Convert to fraction form
    8,937.24/12,335.97 = 5,400.72/x
  3. Step 3: Cross multiply
    8,937.24x = 12,335.97 × 5,400.72
  4. Step 4: Simplify right side
    8,937.24x = 66,623,119.90
  5. Step 5: Solve for x
    x = 66,623,119.90/8,937.24
  6. Step 6: Final answer
    x = 7,454.55

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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.