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Finding the Fourth Proportional to 5,145.24, 7,101.24 and 2,908.08

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Solution

The fourth proportional to 5,145.24, 7,101.24 and 2,908.08 is: 4,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.24 : 7,101.24 = 2,908.08 : x
  2. Step 2: Convert to fraction form
    5,145.24/7,101.24 = 2,908.08/x
  3. Step 3: Cross multiply
    5,145.24x = 7,101.24 × 2,908.08
  4. Step 4: Simplify right side
    5,145.24x = 20,650,974.02
  5. Step 5: Solve for x
    x = 20,650,974.02/5,145.24
  6. Step 6: Final answer
    x = 4,013.61

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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.