Home / 4,471.61-6,707.56-2,131.87

Finding the Fourth Proportional to 4,471.61, 6,707.56 and 2,131.87

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Solution

The fourth proportional to 4,471.61, 6,707.56 and 2,131.87 is: 3,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.61 : 6,707.56 = 2,131.87 : x
  2. Step 2: Convert to fraction form
    4,471.61/6,707.56 = 2,131.87/x
  3. Step 3: Cross multiply
    4,471.61x = 6,707.56 × 2,131.87
  4. Step 4: Simplify right side
    4,471.61x = 14,299,635.28
  5. Step 5: Solve for x
    x = 14,299,635.28/4,471.61
  6. Step 6: Final answer
    x = 3,197.87

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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.