Home / 5,254.80-7,245.48-3,158.16

Finding the Fourth Proportional to 5,254.80, 7,245.48 and 3,158.16

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Solution

The fourth proportional to 5,254.80, 7,245.48 and 3,158.16 is: 4,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.80 : 7,245.48 = 3,158.16 : x
  2. Step 2: Convert to fraction form
    5,254.80/7,245.48 = 3,158.16/x
  3. Step 3: Cross multiply
    5,254.80x = 7,245.48 × 3,158.16
  4. Step 4: Simplify right side
    5,254.80x = 22,882,385.12
  5. Step 5: Solve for x
    x = 22,882,385.12/5,254.80
  6. Step 6: Final answer
    x = 4,354.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.