Home / 5,439.82-8,159.40-1,544.08

Finding the Fourth Proportional to 5,439.82, 8,159.40 and 1,544.08

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Solution

The fourth proportional to 5,439.82, 8,159.40 and 1,544.08 is: 2,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.82 : 8,159.40 = 1,544.08 : x
  2. Step 2: Convert to fraction form
    5,439.82/8,159.40 = 1,544.08/x
  3. Step 3: Cross multiply
    5,439.82x = 8,159.40 × 1,544.08
  4. Step 4: Simplify right side
    5,439.82x = 12,598,766.35
  5. Step 5: Solve for x
    x = 12,598,766.35/5,439.82
  6. Step 6: Final answer
    x = 2,316.03

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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.