Home / 5,079.80-7,010.09-2,841.68

Finding the Fourth Proportional to 5,079.80, 7,010.09 and 2,841.68

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Solution

The fourth proportional to 5,079.80, 7,010.09 and 2,841.68 is: 3,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.80 : 7,010.09 = 2,841.68 : x
  2. Step 2: Convert to fraction form
    5,079.80/7,010.09 = 2,841.68/x
  3. Step 3: Cross multiply
    5,079.80x = 7,010.09 × 2,841.68
  4. Step 4: Simplify right side
    5,079.80x = 19,920,383.29
  5. Step 5: Solve for x
    x = 19,920,383.29/5,079.80
  6. Step 6: Final answer
    x = 3,921.49

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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.