Home / 6,631.76-9,947.64-2,684.12

Finding the Fourth Proportional to 6,631.76, 9,947.64 and 2,684.12

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Solution

The fourth proportional to 6,631.76, 9,947.64 and 2,684.12 is: 4,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.76 : 9,947.64 = 2,684.12 : x
  2. Step 2: Convert to fraction form
    6,631.76/9,947.64 = 2,684.12/x
  3. Step 3: Cross multiply
    6,631.76x = 9,947.64 × 2,684.12
  4. Step 4: Simplify right side
    6,631.76x = 26,700,659.48
  5. Step 5: Solve for x
    x = 26,700,659.48/6,631.76
  6. Step 6: Final answer
    x = 4,026.18

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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.