Home / 4,387.59-6,580.49-1,613.30

Finding the Fourth Proportional to 4,387.59, 6,580.49 and 1,613.30

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Solution

The fourth proportional to 4,387.59, 6,580.49 and 1,613.30 is: 2,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.59 : 6,580.49 = 1,613.30 : x
  2. Step 2: Convert to fraction form
    4,387.59/6,580.49 = 1,613.30/x
  3. Step 3: Cross multiply
    4,387.59x = 6,580.49 × 1,613.30
  4. Step 4: Simplify right side
    4,387.59x = 10,616,263.55
  5. Step 5: Solve for x
    x = 10,616,263.55/4,387.59
  6. Step 6: Final answer
    x = 2,419.61

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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.