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Finding the Fourth Proportional to 5,610.51, 7,744.08 and 3,932.36

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Solution

The fourth proportional to 5,610.51, 7,744.08 and 3,932.36 is: 5,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.51 : 7,744.08 = 3,932.36 : x
  2. Step 2: Convert to fraction form
    5,610.51/7,744.08 = 3,932.36/x
  3. Step 3: Cross multiply
    5,610.51x = 7,744.08 × 3,932.36
  4. Step 4: Simplify right side
    5,610.51x = 30,452,529.79
  5. Step 5: Solve for x
    x = 30,452,529.79/5,610.51
  6. Step 6: Final answer
    x = 5,427.76

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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.