Home / 5,613.30-8,418.99-1,664.47

Finding the Fourth Proportional to 5,613.30, 8,418.99 and 1,664.47

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Solution

The fourth proportional to 5,613.30, 8,418.99 and 1,664.47 is: 2,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.30 : 8,418.99 = 1,664.47 : x
  2. Step 2: Convert to fraction form
    5,613.30/8,418.99 = 1,664.47/x
  3. Step 3: Cross multiply
    5,613.30x = 8,418.99 × 1,664.47
  4. Step 4: Simplify right side
    5,613.30x = 14,013,156.29
  5. Step 5: Solve for x
    x = 14,013,156.29/5,613.30
  6. Step 6: Final answer
    x = 2,496.42

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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.