Home / 4,387.49-6,581.24-2,195.70

Finding the Fourth Proportional to 4,387.49, 6,581.24 and 2,195.70

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Solution

The fourth proportional to 4,387.49, 6,581.24 and 2,195.70 is: 3,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.49 : 6,581.24 = 2,195.70 : x
  2. Step 2: Convert to fraction form
    4,387.49/6,581.24 = 2,195.70/x
  3. Step 3: Cross multiply
    4,387.49x = 6,581.24 × 2,195.70
  4. Step 4: Simplify right side
    4,387.49x = 14,450,417.69
  5. Step 5: Solve for x
    x = 14,450,417.69/4,387.49
  6. Step 6: Final answer
    x = 3,293.55

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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.