Home / 8,982.64-13,475.40-2,658.16

Finding the Fourth Proportional to 8,982.64, 13,475.40 and 2,658.16

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Solution

The fourth proportional to 8,982.64, 13,475.40 and 2,658.16 is: 3,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.64 : 13,475.40 = 2,658.16 : x
  2. Step 2: Convert to fraction form
    8,982.64/13,475.40 = 2,658.16/x
  3. Step 3: Cross multiply
    8,982.64x = 13,475.40 × 2,658.16
  4. Step 4: Simplify right side
    8,982.64x = 35,819,725.61
  5. Step 5: Solve for x
    x = 35,819,725.61/8,982.64
  6. Step 6: Final answer
    x = 3,987.66

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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.