Home / 8,456.20-11,672.46-4,920.52

Finding the Fourth Proportional to 8,456.20, 11,672.46 and 4,920.52

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Solution

The fourth proportional to 8,456.20, 11,672.46 and 4,920.52 is: 6,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.20 : 11,672.46 = 4,920.52 : x
  2. Step 2: Convert to fraction form
    8,456.20/11,672.46 = 4,920.52/x
  3. Step 3: Cross multiply
    8,456.20x = 11,672.46 × 4,920.52
  4. Step 4: Simplify right side
    8,456.20x = 57,434,572.88
  5. Step 5: Solve for x
    x = 57,434,572.88/8,456.20
  6. Step 6: Final answer
    x = 6,792.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.