Home / 7,727.40-11,591.10-4,446.90

Finding the Fourth Proportional to 7,727.40, 11,591.10 and 4,446.90

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Solution

The fourth proportional to 7,727.40, 11,591.10 and 4,446.90 is: 6,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.40 : 11,591.10 = 4,446.90 : x
  2. Step 2: Convert to fraction form
    7,727.40/11,591.10 = 4,446.90/x
  3. Step 3: Cross multiply
    7,727.40x = 11,591.10 × 4,446.90
  4. Step 4: Simplify right side
    7,727.40x = 51,544,462.59
  5. Step 5: Solve for x
    x = 51,544,462.59/7,727.40
  6. Step 6: Final answer
    x = 6,670.35

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Similar ratio
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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.