Home / 8,937.16-12,325.20-5,580.28

Finding the Fourth Proportional to 8,937.16, 12,325.20 and 5,580.28

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Solution

The fourth proportional to 8,937.16, 12,325.20 and 5,580.28 is: 7,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.16 : 12,325.20 = 5,580.28 : x
  2. Step 2: Convert to fraction form
    8,937.16/12,325.20 = 5,580.28/x
  3. Step 3: Cross multiply
    8,937.16x = 12,325.20 × 5,580.28
  4. Step 4: Simplify right side
    8,937.16x = 68,778,067.06
  5. Step 5: Solve for x
    x = 68,778,067.06/8,937.16
  6. Step 6: Final answer
    x = 7,695.74

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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.