Home / 5,612.56-8,417.76-2,149.36

Finding the Fourth Proportional to 5,612.56, 8,417.76 and 2,149.36

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Solution

The fourth proportional to 5,612.56, 8,417.76 and 2,149.36 is: 3,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.56 : 8,417.76 = 2,149.36 : x
  2. Step 2: Convert to fraction form
    5,612.56/8,417.76 = 2,149.36/x
  3. Step 3: Cross multiply
    5,612.56x = 8,417.76 × 2,149.36
  4. Step 4: Simplify right side
    5,612.56x = 18,092,796.63
  5. Step 5: Solve for x
    x = 18,092,796.63/5,612.56
  6. Step 6: Final answer
    x = 3,223.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.