Home / 7,449.20-10,282.20-4,796.60

Finding the Fourth Proportional to 7,449.20, 10,282.20 and 4,796.60

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Solution

The fourth proportional to 7,449.20, 10,282.20 and 4,796.60 is: 6,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.20 : 10,282.20 = 4,796.60 : x
  2. Step 2: Convert to fraction form
    7,449.20/10,282.20 = 4,796.60/x
  3. Step 3: Cross multiply
    7,449.20x = 10,282.20 × 4,796.60
  4. Step 4: Simplify right side
    7,449.20x = 49,319,600.52
  5. Step 5: Solve for x
    x = 49,319,600.52/7,449.20
  6. Step 6: Final answer
    x = 6,620.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.