Home / 7,974.60-11,006.10-4,789.32

Finding the Fourth Proportional to 7,974.60, 11,006.10 and 4,789.32

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Solution

The fourth proportional to 7,974.60, 11,006.10 and 4,789.32 is: 6,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.60 : 11,006.10 = 4,789.32 : x
  2. Step 2: Convert to fraction form
    7,974.60/11,006.10 = 4,789.32/x
  3. Step 3: Cross multiply
    7,974.60x = 11,006.10 × 4,789.32
  4. Step 4: Simplify right side
    7,974.60x = 52,711,734.85
  5. Step 5: Solve for x
    x = 52,711,734.85/7,974.60
  6. Step 6: Final answer
    x = 6,609.95

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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.