Home / 8,720.60-13,076.52-4,036.58

Finding the Fourth Proportional to 8,720.60, 13,076.52 and 4,036.58

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Solution

The fourth proportional to 8,720.60, 13,076.52 and 4,036.58 is: 6,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.60 : 13,076.52 = 4,036.58 : x
  2. Step 2: Convert to fraction form
    8,720.60/13,076.52 = 4,036.58/x
  3. Step 3: Cross multiply
    8,720.60x = 13,076.52 × 4,036.58
  4. Step 4: Simplify right side
    8,720.60x = 52,784,451.79
  5. Step 5: Solve for x
    x = 52,784,451.79/8,720.60
  6. Step 6: Final answer
    x = 6,052.85

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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.