Home / 5,079.42-7,009.55-2,841.30

Finding the Fourth Proportional to 5,079.42, 7,009.55 and 2,841.30

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Solution

The fourth proportional to 5,079.42, 7,009.55 and 2,841.30 is: 3,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.42 : 7,009.55 = 2,841.30 : x
  2. Step 2: Convert to fraction form
    5,079.42/7,009.55 = 2,841.30/x
  3. Step 3: Cross multiply
    5,079.42x = 7,009.55 × 2,841.30
  4. Step 4: Simplify right side
    5,079.42x = 19,916,234.42
  5. Step 5: Solve for x
    x = 19,916,234.42/5,079.42
  6. Step 6: Final answer
    x = 3,920.97

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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.