Home / 5,220.60-7,833.92-3,528.52

Finding the Fourth Proportional to 5,220.60, 7,833.92 and 3,528.52

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Solution

The fourth proportional to 5,220.60, 7,833.92 and 3,528.52 is: 5,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.60 : 7,833.92 = 3,528.52 : x
  2. Step 2: Convert to fraction form
    5,220.60/7,833.92 = 3,528.52/x
  3. Step 3: Cross multiply
    5,220.60x = 7,833.92 × 3,528.52
  4. Step 4: Simplify right side
    5,220.60x = 27,642,143.40
  5. Step 5: Solve for x
    x = 27,642,143.40/5,220.60
  6. Step 6: Final answer
    x = 5,294.82

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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.