Home / 5,449.49-8,176.99-2,487.60

Finding the Fourth Proportional to 5,449.49, 8,176.99 and 2,487.60

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Solution

The fourth proportional to 5,449.49, 8,176.99 and 2,487.60 is: 3,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.49 : 8,176.99 = 2,487.60 : x
  2. Step 2: Convert to fraction form
    5,449.49/8,176.99 = 2,487.60/x
  3. Step 3: Cross multiply
    5,449.49x = 8,176.99 × 2,487.60
  4. Step 4: Simplify right side
    5,449.49x = 20,341,080.32
  5. Step 5: Solve for x
    x = 20,341,080.32/5,449.49
  6. Step 6: Final answer
    x = 3,732.66

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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.