Home / 4,660.47-6,989.27-1,581.75

Finding the Fourth Proportional to 4,660.47, 6,989.27 and 1,581.75

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Solution

The fourth proportional to 4,660.47, 6,989.27 and 1,581.75 is: 2,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.47 : 6,989.27 = 1,581.75 : x
  2. Step 2: Convert to fraction form
    4,660.47/6,989.27 = 1,581.75/x
  3. Step 3: Cross multiply
    4,660.47x = 6,989.27 × 1,581.75
  4. Step 4: Simplify right side
    4,660.47x = 11,055,269.91
  5. Step 5: Solve for x
    x = 11,055,269.91/4,660.47
  6. Step 6: Final answer
    x = 2,372.14

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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.