Home / 8,837.10-13,255.65-3,904.20

Finding the Fourth Proportional to 8,837.10, 13,255.65 and 3,904.20

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Solution

The fourth proportional to 8,837.10, 13,255.65 and 3,904.20 is: 5,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.10 : 13,255.65 = 3,904.20 : x
  2. Step 2: Convert to fraction form
    8,837.10/13,255.65 = 3,904.20/x
  3. Step 3: Cross multiply
    8,837.10x = 13,255.65 × 3,904.20
  4. Step 4: Simplify right side
    8,837.10x = 51,752,708.73
  5. Step 5: Solve for x
    x = 51,752,708.73/8,837.10
  6. Step 6: Final answer
    x = 5,856.30

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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.