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Finding the Fourth Proportional to 5,109.08, 7,080.11 and 5,010.66

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Solution

The fourth proportional to 5,109.08, 7,080.11 and 5,010.66 is: 6,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.08 : 7,080.11 = 5,010.66 : x
  2. Step 2: Convert to fraction form
    5,109.08/7,080.11 = 5,010.66/x
  3. Step 3: Cross multiply
    5,109.08x = 7,080.11 × 5,010.66
  4. Step 4: Simplify right side
    5,109.08x = 35,476,017.71
  5. Step 5: Solve for x
    x = 35,476,017.71/5,109.08
  6. Step 6: Final answer
    x = 6,943.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.