Home / 5,120.23-7,668.04-2,922.29

Finding the Fourth Proportional to 5,120.23, 7,668.04 and 2,922.29

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Solution

The fourth proportional to 5,120.23, 7,668.04 and 2,922.29 is: 4,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.23 : 7,668.04 = 2,922.29 : x
  2. Step 2: Convert to fraction form
    5,120.23/7,668.04 = 2,922.29/x
  3. Step 3: Cross multiply
    5,120.23x = 7,668.04 × 2,922.29
  4. Step 4: Simplify right side
    5,120.23x = 22,408,248.48
  5. Step 5: Solve for x
    x = 22,408,248.48/5,120.23
  6. Step 6: Final answer
    x = 4,376.42

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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.