Home / 8,195.13-12,304.96-4,689.09

Finding the Fourth Proportional to 8,195.13, 12,304.96 and 4,689.09

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Solution

The fourth proportional to 8,195.13, 12,304.96 and 4,689.09 is: 7,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.13 : 12,304.96 = 4,689.09 : x
  2. Step 2: Convert to fraction form
    8,195.13/12,304.96 = 4,689.09/x
  3. Step 3: Cross multiply
    8,195.13x = 12,304.96 × 4,689.09
  4. Step 4: Simplify right side
    8,195.13x = 57,699,064.89
  5. Step 5: Solve for x
    x = 57,699,064.89/8,195.13
  6. Step 6: Final answer
    x = 7,040.65

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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.