Home / 5,113.28-7,668.44-1,992.59

Finding the Fourth Proportional to 5,113.28, 7,668.44 and 1,992.59

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Solution

The fourth proportional to 5,113.28, 7,668.44 and 1,992.59 is: 2,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.28 : 7,668.44 = 1,992.59 : x
  2. Step 2: Convert to fraction form
    5,113.28/7,668.44 = 1,992.59/x
  3. Step 3: Cross multiply
    5,113.28x = 7,668.44 × 1,992.59
  4. Step 4: Simplify right side
    5,113.28x = 15,280,046.90
  5. Step 5: Solve for x
    x = 15,280,046.90/5,113.28
  6. Step 6: Final answer
    x = 2,988.31

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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.