Home / 5,319.60-7,976.16-2,399.55

Finding the Fourth Proportional to 5,319.60, 7,976.16 and 2,399.55

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Solution

The fourth proportional to 5,319.60, 7,976.16 and 2,399.55 is: 3,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.60 : 7,976.16 = 2,399.55 : x
  2. Step 2: Convert to fraction form
    5,319.60/7,976.16 = 2,399.55/x
  3. Step 3: Cross multiply
    5,319.60x = 7,976.16 × 2,399.55
  4. Step 4: Simplify right side
    5,319.60x = 19,139,194.73
  5. Step 5: Solve for x
    x = 19,139,194.73/5,319.60
  6. Step 6: Final answer
    x = 3,597.86

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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.