Home / 7,528.96-11,287.96-3,147.66

Finding the Fourth Proportional to 7,528.96, 11,287.96 and 3,147.66

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Solution

The fourth proportional to 7,528.96, 11,287.96 and 3,147.66 is: 4,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.96 : 11,287.96 = 3,147.66 : x
  2. Step 2: Convert to fraction form
    7,528.96/11,287.96 = 3,147.66/x
  3. Step 3: Cross multiply
    7,528.96x = 11,287.96 × 3,147.66
  4. Step 4: Simplify right side
    7,528.96x = 35,530,660.17
  5. Step 5: Solve for x
    x = 35,530,660.17/7,528.96
  6. Step 6: Final answer
    x = 4,719.20

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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.