Home / 8,835.36-12,189.66-5,474.70

Finding the Fourth Proportional to 8,835.36, 12,189.66 and 5,474.70

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Solution

The fourth proportional to 8,835.36, 12,189.66 and 5,474.70 is: 7,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.36 : 12,189.66 = 5,474.70 : x
  2. Step 2: Convert to fraction form
    8,835.36/12,189.66 = 5,474.70/x
  3. Step 3: Cross multiply
    8,835.36x = 12,189.66 × 5,474.70
  4. Step 4: Simplify right side
    8,835.36x = 66,734,731.60
  5. Step 5: Solve for x
    x = 66,734,731.60/8,835.36
  6. Step 6: Final answer
    x = 7,553.14

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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.