Home / 5,749.65-7,934.31-3,515.28

Finding the Fourth Proportional to 5,749.65, 7,934.31 and 3,515.28

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Solution

The fourth proportional to 5,749.65, 7,934.31 and 3,515.28 is: 4,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.65 : 7,934.31 = 3,515.28 : x
  2. Step 2: Convert to fraction form
    5,749.65/7,934.31 = 3,515.28/x
  3. Step 3: Cross multiply
    5,749.65x = 7,934.31 × 3,515.28
  4. Step 4: Simplify right side
    5,749.65x = 27,891,321.26
  5. Step 5: Solve for x
    x = 27,891,321.26/5,749.65
  6. Step 6: Final answer
    x = 4,850.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.