Home / 7,358.28-10,143.46-5,371.08

Finding the Fourth Proportional to 7,358.28, 10,143.46 and 5,371.08

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Solution

The fourth proportional to 7,358.28, 10,143.46 and 5,371.08 is: 7,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.28 : 10,143.46 = 5,371.08 : x
  2. Step 2: Convert to fraction form
    7,358.28/10,143.46 = 5,371.08/x
  3. Step 3: Cross multiply
    7,358.28x = 10,143.46 × 5,371.08
  4. Step 4: Simplify right side
    7,358.28x = 54,481,335.14
  5. Step 5: Solve for x
    x = 54,481,335.14/7,358.28
  6. Step 6: Final answer
    x = 7,404.09

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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.