Home / 7,984.32-11,022.24-5,479.68

Finding the Fourth Proportional to 7,984.32, 11,022.24 and 5,479.68

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Solution

The fourth proportional to 7,984.32, 11,022.24 and 5,479.68 is: 7,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.32 : 11,022.24 = 5,479.68 : x
  2. Step 2: Convert to fraction form
    7,984.32/11,022.24 = 5,479.68/x
  3. Step 3: Cross multiply
    7,984.32x = 11,022.24 × 5,479.68
  4. Step 4: Simplify right side
    7,984.32x = 60,398,348.08
  5. Step 5: Solve for x
    x = 60,398,348.08/7,984.32
  6. Step 6: Final answer
    x = 7,564.62

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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.