Home / 4,589.80-6,881.92-1,813.24

Finding the Fourth Proportional to 4,589.80, 6,881.92 and 1,813.24

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Solution

The fourth proportional to 4,589.80, 6,881.92 and 1,813.24 is: 2,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.80 : 6,881.92 = 1,813.24 : x
  2. Step 2: Convert to fraction form
    4,589.80/6,881.92 = 1,813.24/x
  3. Step 3: Cross multiply
    4,589.80x = 6,881.92 × 1,813.24
  4. Step 4: Simplify right side
    4,589.80x = 12,478,572.62
  5. Step 5: Solve for x
    x = 12,478,572.62/4,589.80
  6. Step 6: Final answer
    x = 2,718.76

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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.