Home / 7,371.88-11,062.14-5,289.64

Finding the Fourth Proportional to 7,371.88, 11,062.14 and 5,289.64

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Solution

The fourth proportional to 7,371.88, 11,062.14 and 5,289.64 is: 7,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.88 : 11,062.14 = 5,289.64 : x
  2. Step 2: Convert to fraction form
    7,371.88/11,062.14 = 5,289.64/x
  3. Step 3: Cross multiply
    7,371.88x = 11,062.14 × 5,289.64
  4. Step 4: Simplify right side
    7,371.88x = 58,514,738.23
  5. Step 5: Solve for x
    x = 58,514,738.23/7,371.88
  6. Step 6: Final answer
    x = 7,937.56

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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.