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Finding the Fourth Proportional to 6,493.17, 8,959.59 and 3,660.38

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Solution

The fourth proportional to 6,493.17, 8,959.59 and 3,660.38 is: 5,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.17 : 8,959.59 = 3,660.38 : x
  2. Step 2: Convert to fraction form
    6,493.17/8,959.59 = 3,660.38/x
  3. Step 3: Cross multiply
    6,493.17x = 8,959.59 × 3,660.38
  4. Step 4: Simplify right side
    6,493.17x = 32,795,459.25
  5. Step 5: Solve for x
    x = 32,795,459.25/6,493.17
  6. Step 6: Final answer
    x = 5,050.76

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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.