Home / 5,334.50-8,002.18-1,438.85

Finding the Fourth Proportional to 5,334.50, 8,002.18 and 1,438.85

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Solution

The fourth proportional to 5,334.50, 8,002.18 and 1,438.85 is: 2,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.50 : 8,002.18 = 1,438.85 : x
  2. Step 2: Convert to fraction form
    5,334.50/8,002.18 = 1,438.85/x
  3. Step 3: Cross multiply
    5,334.50x = 8,002.18 × 1,438.85
  4. Step 4: Simplify right side
    5,334.50x = 11,513,958.50
  5. Step 5: Solve for x
    x = 11,513,958.50/5,334.50
  6. Step 6: Final answer
    x = 2,158.39

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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.