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Finding the Fourth Proportional to 5,445.77, 8,169.72 and 1,747.72

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Solution

The fourth proportional to 5,445.77, 8,169.72 and 1,747.72 is: 2,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.77 : 8,169.72 = 1,747.72 : x
  2. Step 2: Convert to fraction form
    5,445.77/8,169.72 = 1,747.72/x
  3. Step 3: Cross multiply
    5,445.77x = 8,169.72 × 1,747.72
  4. Step 4: Simplify right side
    5,445.77x = 14,278,340.74
  5. Step 5: Solve for x
    x = 14,278,340.74/5,445.77
  6. Step 6: Final answer
    x = 2,621.91

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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.