Home / 9,187.04-13,778.28-3,638.48

Finding the Fourth Proportional to 9,187.04, 13,778.28 and 3,638.48

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Solution

The fourth proportional to 9,187.04, 13,778.28 and 3,638.48 is: 5,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.04 : 13,778.28 = 3,638.48 : x
  2. Step 2: Convert to fraction form
    9,187.04/13,778.28 = 3,638.48/x
  3. Step 3: Cross multiply
    9,187.04x = 13,778.28 × 3,638.48
  4. Step 4: Simplify right side
    9,187.04x = 50,131,996.21
  5. Step 5: Solve for x
    x = 50,131,996.21/9,187.04
  6. Step 6: Final answer
    x = 5,456.82

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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.