Home / 8,902.30-13,349.76-2,660.08

Finding the Fourth Proportional to 8,902.30, 13,349.76 and 2,660.08

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Solution

The fourth proportional to 8,902.30, 13,349.76 and 2,660.08 is: 3,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.30 : 13,349.76 = 2,660.08 : x
  2. Step 2: Convert to fraction form
    8,902.30/13,349.76 = 2,660.08/x
  3. Step 3: Cross multiply
    8,902.30x = 13,349.76 × 2,660.08
  4. Step 4: Simplify right side
    8,902.30x = 35,511,429.58
  5. Step 5: Solve for x
    x = 35,511,429.58/8,902.30
  6. Step 6: Final answer
    x = 3,989.02

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1.5x scale

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.