Home / 5,331.60-7,988.76-3,249.36

Finding the Fourth Proportional to 5,331.60, 7,988.76 and 3,249.36

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Solution

The fourth proportional to 5,331.60, 7,988.76 and 3,249.36 is: 4,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.60 : 7,988.76 = 3,249.36 : x
  2. Step 2: Convert to fraction form
    5,331.60/7,988.76 = 3,249.36/x
  3. Step 3: Cross multiply
    5,331.60x = 7,988.76 × 3,249.36
  4. Step 4: Simplify right side
    5,331.60x = 25,958,357.19
  5. Step 5: Solve for x
    x = 25,958,357.19/5,331.60
  6. Step 6: Final answer
    x = 4,868.77

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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.