Home / 5,612.30-8,417.49-1,663.47

Finding the Fourth Proportional to 5,612.30, 8,417.49 and 1,663.47

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Solution

The fourth proportional to 5,612.30, 8,417.49 and 1,663.47 is: 2,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.30 : 8,417.49 = 1,663.47 : x
  2. Step 2: Convert to fraction form
    5,612.30/8,417.49 = 1,663.47/x
  3. Step 3: Cross multiply
    5,612.30x = 8,417.49 × 1,663.47
  4. Step 4: Simplify right side
    5,612.30x = 14,002,242.09
  5. Step 5: Solve for x
    x = 14,002,242.09/5,612.30
  6. Step 6: Final answer
    x = 2,494.92

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1.5x scale

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.