Home / 7,201.48-9,939.30-4,548.04

Finding the Fourth Proportional to 7,201.48, 9,939.30 and 4,548.04

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Solution

The fourth proportional to 7,201.48, 9,939.30 and 4,548.04 is: 6,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.48 : 9,939.30 = 4,548.04 : x
  2. Step 2: Convert to fraction form
    7,201.48/9,939.30 = 4,548.04/x
  3. Step 3: Cross multiply
    7,201.48x = 9,939.30 × 4,548.04
  4. Step 4: Simplify right side
    7,201.48x = 45,204,333.97
  5. Step 5: Solve for x
    x = 45,204,333.97/7,201.48
  6. Step 6: Final answer
    x = 6,277.09

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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.