Home / 7,319.20-10,952.88-4,979.44

Finding the Fourth Proportional to 7,319.20, 10,952.88 and 4,979.44

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Solution

The fourth proportional to 7,319.20, 10,952.88 and 4,979.44 is: 7,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.20 : 10,952.88 = 4,979.44 : x
  2. Step 2: Convert to fraction form
    7,319.20/10,952.88 = 4,979.44/x
  3. Step 3: Cross multiply
    7,319.20x = 10,952.88 × 4,979.44
  4. Step 4: Simplify right side
    7,319.20x = 54,539,208.79
  5. Step 5: Solve for x
    x = 54,539,208.79/7,319.20
  6. Step 6: Final answer
    x = 7,451.53

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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.