Home / 8,920.60-13,373.59-3,370.79

Finding the Fourth Proportional to 8,920.60, 13,373.59 and 3,370.79

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Solution

The fourth proportional to 8,920.60, 13,373.59 and 3,370.79 is: 5,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.60 : 13,373.59 = 3,370.79 : x
  2. Step 2: Convert to fraction form
    8,920.60/13,373.59 = 3,370.79/x
  3. Step 3: Cross multiply
    8,920.60x = 13,373.59 × 3,370.79
  4. Step 4: Simplify right side
    8,920.60x = 45,079,563.44
  5. Step 5: Solve for x
    x = 45,079,563.44/8,920.60
  6. Step 6: Final answer
    x = 5,053.42

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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.