Home / 5,081.05-7,010.91-2,842.95

Finding the Fourth Proportional to 5,081.05, 7,010.91 and 2,842.95

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Solution

The fourth proportional to 5,081.05, 7,010.91 and 2,842.95 is: 3,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.05 : 7,010.91 = 2,842.95 : x
  2. Step 2: Convert to fraction form
    5,081.05/7,010.91 = 2,842.95/x
  3. Step 3: Cross multiply
    5,081.05x = 7,010.91 × 2,842.95
  4. Step 4: Simplify right side
    5,081.05x = 19,931,666.58
  5. Step 5: Solve for x
    x = 19,931,666.58/5,081.05
  6. Step 6: Final answer
    x = 3,922.75

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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.