Home / 5,220.60-7,825.42-3,246.22

Finding the Fourth Proportional to 5,220.60, 7,825.42 and 3,246.22

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Solution

The fourth proportional to 5,220.60, 7,825.42 and 3,246.22 is: 4,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.60 : 7,825.42 = 3,246.22 : x
  2. Step 2: Convert to fraction form
    5,220.60/7,825.42 = 3,246.22/x
  3. Step 3: Cross multiply
    5,220.60x = 7,825.42 × 3,246.22
  4. Step 4: Simplify right side
    5,220.60x = 25,403,034.91
  5. Step 5: Solve for x
    x = 25,403,034.91/5,220.60
  6. Step 6: Final answer
    x = 4,865.92

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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.