Home / 5,287.74-7,934.26-2,170.06

Finding the Fourth Proportional to 5,287.74, 7,934.26 and 2,170.06

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Solution

The fourth proportional to 5,287.74, 7,934.26 and 2,170.06 is: 3,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.74 : 7,934.26 = 2,170.06 : x
  2. Step 2: Convert to fraction form
    5,287.74/7,934.26 = 2,170.06/x
  3. Step 3: Cross multiply
    5,287.74x = 7,934.26 × 2,170.06
  4. Step 4: Simplify right side
    5,287.74x = 17,217,820.26
  5. Step 5: Solve for x
    x = 17,217,820.26/5,287.74
  6. Step 6: Final answer
    x = 3,256.18

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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.