Home / 5,003.28-7,504.89-1,305.48

Finding the Fourth Proportional to 5,003.28, 7,504.89 and 1,305.48

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Solution

The fourth proportional to 5,003.28, 7,504.89 and 1,305.48 is: 1,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.28 : 7,504.89 = 1,305.48 : x
  2. Step 2: Convert to fraction form
    5,003.28/7,504.89 = 1,305.48/x
  3. Step 3: Cross multiply
    5,003.28x = 7,504.89 × 1,305.48
  4. Step 4: Simplify right side
    5,003.28x = 9,797,483.80
  5. Step 5: Solve for x
    x = 9,797,483.80/5,003.28
  6. Step 6: Final answer
    x = 1,958.21

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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.