Home / 5,512.91-8,269.35-1,617.31

Finding the Fourth Proportional to 5,512.91, 8,269.35 and 1,617.31

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Solution

The fourth proportional to 5,512.91, 8,269.35 and 1,617.31 is: 2,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.91 : 8,269.35 = 1,617.31 : x
  2. Step 2: Convert to fraction form
    5,512.91/8,269.35 = 1,617.31/x
  3. Step 3: Cross multiply
    5,512.91x = 8,269.35 × 1,617.31
  4. Step 4: Simplify right side
    5,512.91x = 13,374,081.78
  5. Step 5: Solve for x
    x = 13,374,081.78/5,512.91
  6. Step 6: Final answer
    x = 2,425.96

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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.