Home / 5,119.22-7,679.56-1,833.24

Finding the Fourth Proportional to 5,119.22, 7,679.56 and 1,833.24

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Solution

The fourth proportional to 5,119.22, 7,679.56 and 1,833.24 is: 2,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.22 : 7,679.56 = 1,833.24 : x
  2. Step 2: Convert to fraction form
    5,119.22/7,679.56 = 1,833.24/x
  3. Step 3: Cross multiply
    5,119.22x = 7,679.56 × 1,833.24
  4. Step 4: Simplify right side
    5,119.22x = 14,078,476.57
  5. Step 5: Solve for x
    x = 14,078,476.57/5,119.22
  6. Step 6: Final answer
    x = 2,750.12

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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.