Home / 7,675.06-11,507.10-3,290.13

Finding the Fourth Proportional to 7,675.06, 11,507.10 and 3,290.13

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Solution

The fourth proportional to 7,675.06, 11,507.10 and 3,290.13 is: 4,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.06 : 11,507.10 = 3,290.13 : x
  2. Step 2: Convert to fraction form
    7,675.06/11,507.10 = 3,290.13/x
  3. Step 3: Cross multiply
    7,675.06x = 11,507.10 × 3,290.13
  4. Step 4: Simplify right side
    7,675.06x = 37,859,854.92
  5. Step 5: Solve for x
    x = 37,859,854.92/7,675.06
  6. Step 6: Final answer
    x = 4,932.84

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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.