Home / 8,319.69-12,479.49-2,476.29

Finding the Fourth Proportional to 8,319.69, 12,479.49 and 2,476.29

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Solution

The fourth proportional to 8,319.69, 12,479.49 and 2,476.29 is: 3,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.69 : 12,479.49 = 2,476.29 : x
  2. Step 2: Convert to fraction form
    8,319.69/12,479.49 = 2,476.29/x
  3. Step 3: Cross multiply
    8,319.69x = 12,479.49 × 2,476.29
  4. Step 4: Simplify right side
    8,319.69x = 30,902,836.29
  5. Step 5: Solve for x
    x = 30,902,836.29/8,319.69
  6. Step 6: Final answer
    x = 3,714.42

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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.