Home / 7,934.60-10,949.37-4,397.78

Finding the Fourth Proportional to 7,934.60, 10,949.37 and 4,397.78

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Solution

The fourth proportional to 7,934.60, 10,949.37 and 4,397.78 is: 6,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.60 : 10,949.37 = 4,397.78 : x
  2. Step 2: Convert to fraction form
    7,934.60/10,949.37 = 4,397.78/x
  3. Step 3: Cross multiply
    7,934.60x = 10,949.37 × 4,397.78
  4. Step 4: Simplify right side
    7,934.60x = 48,152,920.40
  5. Step 5: Solve for x
    x = 48,152,920.40/7,934.60
  6. Step 6: Final answer
    x = 6,068.73

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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.