Home / 5,479.59-8,208.45-3,394.65

Finding the Fourth Proportional to 5,479.59, 8,208.45 and 3,394.65

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Solution

The fourth proportional to 5,479.59, 8,208.45 and 3,394.65 is: 5,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.59 : 8,208.45 = 3,394.65 : x
  2. Step 2: Convert to fraction form
    5,479.59/8,208.45 = 3,394.65/x
  3. Step 3: Cross multiply
    5,479.59x = 8,208.45 × 3,394.65
  4. Step 4: Simplify right side
    5,479.59x = 27,864,814.79
  5. Step 5: Solve for x
    x = 27,864,814.79/5,479.59
  6. Step 6: Final answer
    x = 5,085.20

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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.