Home / 5,747.85-8,621.76-2,458.80

Finding the Fourth Proportional to 5,747.85, 8,621.76 and 2,458.80

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Solution

The fourth proportional to 5,747.85, 8,621.76 and 2,458.80 is: 3,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.85 : 8,621.76 = 2,458.80 : x
  2. Step 2: Convert to fraction form
    5,747.85/8,621.76 = 2,458.80/x
  3. Step 3: Cross multiply
    5,747.85x = 8,621.76 × 2,458.80
  4. Step 4: Simplify right side
    5,747.85x = 21,199,183.49
  5. Step 5: Solve for x
    x = 21,199,183.49/5,747.85
  6. Step 6: Final answer
    x = 3,688.19

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Similar ratio
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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.