Home / 6,581.92-9,877.20-3,119.44

Finding the Fourth Proportional to 6,581.92, 9,877.20 and 3,119.44

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Solution

The fourth proportional to 6,581.92, 9,877.20 and 3,119.44 is: 4,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.92 : 9,877.20 = 3,119.44 : x
  2. Step 2: Convert to fraction form
    6,581.92/9,877.20 = 3,119.44/x
  3. Step 3: Cross multiply
    6,581.92x = 9,877.20 × 3,119.44
  4. Step 4: Simplify right side
    6,581.92x = 30,811,332.77
  5. Step 5: Solve for x
    x = 30,811,332.77/6,581.92
  6. Step 6: Final answer
    x = 4,681.21

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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.