Home / 5,117.42-7,675.77-1,996.84

Finding the Fourth Proportional to 5,117.42, 7,675.77 and 1,996.84

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Solution

The fourth proportional to 5,117.42, 7,675.77 and 1,996.84 is: 2,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.42 : 7,675.77 = 1,996.84 : x
  2. Step 2: Convert to fraction form
    5,117.42/7,675.77 = 1,996.84/x
  3. Step 3: Cross multiply
    5,117.42x = 7,675.77 × 1,996.84
  4. Step 4: Simplify right side
    5,117.42x = 15,327,301.65
  5. Step 5: Solve for x
    x = 15,327,301.65/5,117.42
  6. Step 6: Final answer
    x = 2,995.12

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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.