Home / 7,355.19-10,150.22-3,998.00

Finding the Fourth Proportional to 7,355.19, 10,150.22 and 3,998.00

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Solution

The fourth proportional to 7,355.19, 10,150.22 and 3,998.00 is: 5,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.19 : 10,150.22 = 3,998.00 : x
  2. Step 2: Convert to fraction form
    7,355.19/10,150.22 = 3,998.00/x
  3. Step 3: Cross multiply
    7,355.19x = 10,150.22 × 3,998.00
  4. Step 4: Simplify right side
    7,355.19x = 40,580,614.93
  5. Step 5: Solve for x
    x = 40,580,614.93/7,355.19
  6. Step 6: Final answer
    x = 5,517.28

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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.