Home / 5,081.06-7,011.52-2,842.55

Finding the Fourth Proportional to 5,081.06, 7,011.52 and 2,842.55

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Solution

The fourth proportional to 5,081.06, 7,011.52 and 2,842.55 is: 3,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.06 : 7,011.52 = 2,842.55 : x
  2. Step 2: Convert to fraction form
    5,081.06/7,011.52 = 2,842.55/x
  3. Step 3: Cross multiply
    5,081.06x = 7,011.52 × 2,842.55
  4. Step 4: Simplify right side
    5,081.06x = 19,930,596.18
  5. Step 5: Solve for x
    x = 19,930,596.18/5,081.06
  6. Step 6: Final answer
    x = 3,922.53

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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.