Home / 5,227.16-7,838.90-1,528.42

Finding the Fourth Proportional to 5,227.16, 7,838.90 and 1,528.42

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Solution

The fourth proportional to 5,227.16, 7,838.90 and 1,528.42 is: 2,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.16 : 7,838.90 = 1,528.42 : x
  2. Step 2: Convert to fraction form
    5,227.16/7,838.90 = 1,528.42/x
  3. Step 3: Cross multiply
    5,227.16x = 7,838.90 × 1,528.42
  4. Step 4: Simplify right side
    5,227.16x = 11,981,131.54
  5. Step 5: Solve for x
    x = 11,981,131.54/5,227.16
  6. Step 6: Final answer
    x = 2,292.09

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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.