Home / 5,505.10-8,257.65-3,650.20

Finding the Fourth Proportional to 5,505.10, 8,257.65 and 3,650.20

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Solution

The fourth proportional to 5,505.10, 8,257.65 and 3,650.20 is: 5,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.10 : 8,257.65 = 3,650.20 : x
  2. Step 2: Convert to fraction form
    5,505.10/8,257.65 = 3,650.20/x
  3. Step 3: Cross multiply
    5,505.10x = 8,257.65 × 3,650.20
  4. Step 4: Simplify right side
    5,505.10x = 30,142,074.03
  5. Step 5: Solve for x
    x = 30,142,074.03/5,505.10
  6. Step 6: Final answer
    x = 5,475.30

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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.