Home / 5,744.40-8,617.80-1,849.20

Finding the Fourth Proportional to 5,744.40, 8,617.80 and 1,849.20

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Solution

The fourth proportional to 5,744.40, 8,617.80 and 1,849.20 is: 2,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.40 : 8,617.80 = 1,849.20 : x
  2. Step 2: Convert to fraction form
    5,744.40/8,617.80 = 1,849.20/x
  3. Step 3: Cross multiply
    5,744.40x = 8,617.80 × 1,849.20
  4. Step 4: Simplify right side
    5,744.40x = 15,936,035.76
  5. Step 5: Solve for x
    x = 15,936,035.76/5,744.40
  6. Step 6: Final answer
    x = 2,774.19

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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.