Home / 4,581.26-6,871.89-1,621.87

Finding the Fourth Proportional to 4,581.26, 6,871.89 and 1,621.87

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Solution

The fourth proportional to 4,581.26, 6,871.89 and 1,621.87 is: 2,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.26 : 6,871.89 = 1,621.87 : x
  2. Step 2: Convert to fraction form
    4,581.26/6,871.89 = 1,621.87/x
  3. Step 3: Cross multiply
    4,581.26x = 6,871.89 × 1,621.87
  4. Step 4: Simplify right side
    4,581.26x = 11,145,330.67
  5. Step 5: Solve for x
    x = 11,145,330.67/4,581.26
  6. Step 6: Final answer
    x = 2,432.81

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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.