Home / 8,930.20-12,323.68-4,951.36

Finding the Fourth Proportional to 8,930.20, 12,323.68 and 4,951.36

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Solution

The fourth proportional to 8,930.20, 12,323.68 and 4,951.36 is: 6,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.20 : 12,323.68 = 4,951.36 : x
  2. Step 2: Convert to fraction form
    8,930.20/12,323.68 = 4,951.36/x
  3. Step 3: Cross multiply
    8,930.20x = 12,323.68 × 4,951.36
  4. Step 4: Simplify right side
    8,930.20x = 61,018,976.20
  5. Step 5: Solve for x
    x = 61,018,976.20/8,930.20
  6. Step 6: Final answer
    x = 6,832.88

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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.