Home / 8,729.20-12,050.60-6,837.52

Finding the Fourth Proportional to 8,729.20, 12,050.60 and 6,837.52

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Solution

The fourth proportional to 8,729.20, 12,050.60 and 6,837.52 is: 9,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.20 : 12,050.60 = 6,837.52 : x
  2. Step 2: Convert to fraction form
    8,729.20/12,050.60 = 6,837.52/x
  3. Step 3: Cross multiply
    8,729.20x = 12,050.60 × 6,837.52
  4. Step 4: Simplify right side
    8,729.20x = 82,396,218.51
  5. Step 5: Solve for x
    x = 82,396,218.51/8,729.20
  6. Step 6: Final answer
    x = 9,439.15

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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.