Home / 6,484.12-9,719.92-2,098.60

Finding the Fourth Proportional to 6,484.12, 9,719.92 and 2,098.60

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Solution

The fourth proportional to 6,484.12, 9,719.92 and 2,098.60 is: 3,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.12 : 9,719.92 = 2,098.60 : x
  2. Step 2: Convert to fraction form
    6,484.12/9,719.92 = 2,098.60/x
  3. Step 3: Cross multiply
    6,484.12x = 9,719.92 × 2,098.60
  4. Step 4: Simplify right side
    6,484.12x = 20,398,224.11
  5. Step 5: Solve for x
    x = 20,398,224.11/6,484.12
  6. Step 6: Final answer
    x = 3,145.87

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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.