Home / 7,590.20-11,386.82-3,207.65

Finding the Fourth Proportional to 7,590.20, 11,386.82 and 3,207.65

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Solution

The fourth proportional to 7,590.20, 11,386.82 and 3,207.65 is: 4,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.20 : 11,386.82 = 3,207.65 : x
  2. Step 2: Convert to fraction form
    7,590.20/11,386.82 = 3,207.65/x
  3. Step 3: Cross multiply
    7,590.20x = 11,386.82 × 3,207.65
  4. Step 4: Simplify right side
    7,590.20x = 36,524,884.26
  5. Step 5: Solve for x
    x = 36,524,884.26/7,590.20
  6. Step 6: Final answer
    x = 4,812.11

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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.