Home / 5,456.16-8,191.80-2,825.55

Finding the Fourth Proportional to 5,456.16, 8,191.80 and 2,825.55

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Solution

The fourth proportional to 5,456.16, 8,191.80 and 2,825.55 is: 4,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.16 : 8,191.80 = 2,825.55 : x
  2. Step 2: Convert to fraction form
    5,456.16/8,191.80 = 2,825.55/x
  3. Step 3: Cross multiply
    5,456.16x = 8,191.80 × 2,825.55
  4. Step 4: Simplify right side
    5,456.16x = 23,146,340.49
  5. Step 5: Solve for x
    x = 23,146,340.49/5,456.16
  6. Step 6: Final answer
    x = 4,242.24

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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.