Home / 8,209.32-11,326.14-5,065.08

Finding the Fourth Proportional to 8,209.32, 11,326.14 and 5,065.08

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Solution

The fourth proportional to 8,209.32, 11,326.14 and 5,065.08 is: 6,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.32 : 11,326.14 = 5,065.08 : x
  2. Step 2: Convert to fraction form
    8,209.32/11,326.14 = 5,065.08/x
  3. Step 3: Cross multiply
    8,209.32x = 11,326.14 × 5,065.08
  4. Step 4: Simplify right side
    8,209.32x = 57,367,805.19
  5. Step 5: Solve for x
    x = 57,367,805.19/8,209.32
  6. Step 6: Final answer
    x = 6,988.13

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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.