Home / 5,439.14-8,154-3,243.25

Finding the Fourth Proportional to 5,439.14, 8,154 and 3,243.25

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Solution

The fourth proportional to 5,439.14, 8,154 and 3,243.25 is: 4,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.14 : 8,154 = 3,243.25 : x
  2. Step 2: Convert to fraction form
    5,439.14/8,154 = 3,243.25/x
  3. Step 3: Cross multiply
    5,439.14x = 8,154 × 3,243.25
  4. Step 4: Simplify right side
    5,439.14x = 26,445,460.50
  5. Step 5: Solve for x
    x = 26,445,460.50/5,439.14
  6. Step 6: Final answer
    x = 4,862.07

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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.