Home / 8,329.12-11,488.90-6,335.31

Finding the Fourth Proportional to 8,329.12, 11,488.90 and 6,335.31

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Solution

The fourth proportional to 8,329.12, 11,488.90 and 6,335.31 is: 8,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.12 : 11,488.90 = 6,335.31 : x
  2. Step 2: Convert to fraction form
    8,329.12/11,488.90 = 6,335.31/x
  3. Step 3: Cross multiply
    8,329.12x = 11,488.90 × 6,335.31
  4. Step 4: Simplify right side
    8,329.12x = 72,785,743.06
  5. Step 5: Solve for x
    x = 72,785,743.06/8,329.12
  6. Step 6: Final answer
    x = 8,738.71

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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.