Home / 5,520.12-8,275.53-2,397.78

Finding the Fourth Proportional to 5,520.12, 8,275.53 and 2,397.78

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Solution

The fourth proportional to 5,520.12, 8,275.53 and 2,397.78 is: 3,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.12 : 8,275.53 = 2,397.78 : x
  2. Step 2: Convert to fraction form
    5,520.12/8,275.53 = 2,397.78/x
  3. Step 3: Cross multiply
    5,520.12x = 8,275.53 × 2,397.78
  4. Step 4: Simplify right side
    5,520.12x = 19,842,900.32
  5. Step 5: Solve for x
    x = 19,842,900.32/5,520.12
  6. Step 6: Final answer
    x = 3,594.65

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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.