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Finding the Fourth Proportional to 5,000.97, 7,502.39 and 2,079.51

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Solution

The fourth proportional to 5,000.97, 7,502.39 and 2,079.51 is: 3,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.97 : 7,502.39 = 2,079.51 : x
  2. Step 2: Convert to fraction form
    5,000.97/7,502.39 = 2,079.51/x
  3. Step 3: Cross multiply
    5,000.97x = 7,502.39 × 2,079.51
  4. Step 4: Simplify right side
    5,000.97x = 15,601,284.63
  5. Step 5: Solve for x
    x = 15,601,284.63/5,000.97
  6. Step 6: Final answer
    x = 3,119.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.