Home / 5,354.90-8,036.30-2,543.75

Finding the Fourth Proportional to 5,354.90, 8,036.30 and 2,543.75

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Solution

The fourth proportional to 5,354.90, 8,036.30 and 2,543.75 is: 3,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.90 : 8,036.30 = 2,543.75 : x
  2. Step 2: Convert to fraction form
    5,354.90/8,036.30 = 2,543.75/x
  3. Step 3: Cross multiply
    5,354.90x = 8,036.30 × 2,543.75
  4. Step 4: Simplify right side
    5,354.90x = 20,442,338.13
  5. Step 5: Solve for x
    x = 20,442,338.13/5,354.90
  6. Step 6: Final answer
    x = 3,817.50

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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.