Home / 5,438.41-8,149.98-2,314.19

Finding the Fourth Proportional to 5,438.41, 8,149.98 and 2,314.19

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Solution

The fourth proportional to 5,438.41, 8,149.98 and 2,314.19 is: 3,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.41 : 8,149.98 = 2,314.19 : x
  2. Step 2: Convert to fraction form
    5,438.41/8,149.98 = 2,314.19/x
  3. Step 3: Cross multiply
    5,438.41x = 8,149.98 × 2,314.19
  4. Step 4: Simplify right side
    5,438.41x = 18,860,561.47
  5. Step 5: Solve for x
    x = 18,860,561.47/5,438.41
  6. Step 6: Final answer
    x = 3,468.03

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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.