Home / 5,232.03-7,218.80-3,105.80

Finding the Fourth Proportional to 5,232.03, 7,218.80 and 3,105.80

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Solution

The fourth proportional to 5,232.03, 7,218.80 and 3,105.80 is: 4,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.03 : 7,218.80 = 3,105.80 : x
  2. Step 2: Convert to fraction form
    5,232.03/7,218.80 = 3,105.80/x
  3. Step 3: Cross multiply
    5,232.03x = 7,218.80 × 3,105.80
  4. Step 4: Simplify right side
    5,232.03x = 22,420,097.42
  5. Step 5: Solve for x
    x = 22,420,097.42/5,232.03
  6. Step 6: Final answer
    x = 4,285.16

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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.