Home / 5,334.12-8,001.18-1,438.92

Finding the Fourth Proportional to 5,334.12, 8,001.18 and 1,438.92

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Solution

The fourth proportional to 5,334.12, 8,001.18 and 1,438.92 is: 2,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.12 : 8,001.18 = 1,438.92 : x
  2. Step 2: Convert to fraction form
    5,334.12/8,001.18 = 1,438.92/x
  3. Step 3: Cross multiply
    5,334.12x = 8,001.18 × 1,438.92
  4. Step 4: Simplify right side
    5,334.12x = 11,513,057.93
  5. Step 5: Solve for x
    x = 11,513,057.93/5,334.12
  6. Step 6: Final answer
    x = 2,158.38

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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.