Home / 7,944.60-11,909.28-4,657.08

Finding the Fourth Proportional to 7,944.60, 11,909.28 and 4,657.08

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Solution

The fourth proportional to 7,944.60, 11,909.28 and 4,657.08 is: 6,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.60 : 11,909.28 = 4,657.08 : x
  2. Step 2: Convert to fraction form
    7,944.60/11,909.28 = 4,657.08/x
  3. Step 3: Cross multiply
    7,944.60x = 11,909.28 × 4,657.08
  4. Step 4: Simplify right side
    7,944.60x = 55,462,469.70
  5. Step 5: Solve for x
    x = 55,462,469.70/7,944.60
  6. Step 6: Final answer
    x = 6,981.15

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1.5x scale

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.