Home / 8,928.43-13,377.52-5,407.80

Finding the Fourth Proportional to 8,928.43, 13,377.52 and 5,407.80

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Solution

The fourth proportional to 8,928.43, 13,377.52 and 5,407.80 is: 8,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.43 : 13,377.52 = 5,407.80 : x
  2. Step 2: Convert to fraction form
    8,928.43/13,377.52 = 5,407.80/x
  3. Step 3: Cross multiply
    8,928.43x = 13,377.52 × 5,407.80
  4. Step 4: Simplify right side
    8,928.43x = 72,342,909.25
  5. Step 5: Solve for x
    x = 72,342,909.25/8,928.43
  6. Step 6: Final answer
    x = 8,102.54

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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.