Home / 8,347.52-11,514.25-5,828.69

Finding the Fourth Proportional to 8,347.52, 11,514.25 and 5,828.69

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Solution

The fourth proportional to 8,347.52, 11,514.25 and 5,828.69 is: 8,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.52 : 11,514.25 = 5,828.69 : x
  2. Step 2: Convert to fraction form
    8,347.52/11,514.25 = 5,828.69/x
  3. Step 3: Cross multiply
    8,347.52x = 11,514.25 × 5,828.69
  4. Step 4: Simplify right side
    8,347.52x = 67,113,029.90
  5. Step 5: Solve for x
    x = 67,113,029.90/8,347.52
  6. Step 6: Final answer
    x = 8,039.87

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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.