Home / 7,479.68-11,197.79-4,350.14

Finding the Fourth Proportional to 7,479.68, 11,197.79 and 4,350.14

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Solution

The fourth proportional to 7,479.68, 11,197.79 and 4,350.14 is: 6,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.68 : 11,197.79 = 4,350.14 : x
  2. Step 2: Convert to fraction form
    7,479.68/11,197.79 = 4,350.14/x
  3. Step 3: Cross multiply
    7,479.68x = 11,197.79 × 4,350.14
  4. Step 4: Simplify right side
    7,479.68x = 48,711,954.19
  5. Step 5: Solve for x
    x = 48,711,954.19/7,479.68
  6. Step 6: Final answer
    x = 6,512.57

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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.