Home / 5,438.66-8,158.80-1,740.56

Finding the Fourth Proportional to 5,438.66, 8,158.80 and 1,740.56

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Solution

The fourth proportional to 5,438.66, 8,158.80 and 1,740.56 is: 2,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.66 : 8,158.80 = 1,740.56 : x
  2. Step 2: Convert to fraction form
    5,438.66/8,158.80 = 1,740.56/x
  3. Step 3: Cross multiply
    5,438.66x = 8,158.80 × 1,740.56
  4. Step 4: Simplify right side
    5,438.66x = 14,200,880.93
  5. Step 5: Solve for x
    x = 14,200,880.93/5,438.66
  6. Step 6: Final answer
    x = 2,611.10

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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.