Home / 5,079.69-7,010.35-2,842.29

Finding the Fourth Proportional to 5,079.69, 7,010.35 and 2,842.29

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Solution

The fourth proportional to 5,079.69, 7,010.35 and 2,842.29 is: 3,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.69 : 7,010.35 = 2,842.29 : x
  2. Step 2: Convert to fraction form
    5,079.69/7,010.35 = 2,842.29/x
  3. Step 3: Cross multiply
    5,079.69x = 7,010.35 × 2,842.29
  4. Step 4: Simplify right side
    5,079.69x = 19,925,440.60
  5. Step 5: Solve for x
    x = 19,925,440.60/5,079.69
  6. Step 6: Final answer
    x = 3,922.57

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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.