Home / 5,218.40-7,829.04-1,755.52

Finding the Fourth Proportional to 5,218.40, 7,829.04 and 1,755.52

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Solution

The fourth proportional to 5,218.40, 7,829.04 and 1,755.52 is: 2,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.40 : 7,829.04 = 1,755.52 : x
  2. Step 2: Convert to fraction form
    5,218.40/7,829.04 = 1,755.52/x
  3. Step 3: Cross multiply
    5,218.40x = 7,829.04 × 1,755.52
  4. Step 4: Simplify right side
    5,218.40x = 13,744,036.30
  5. Step 5: Solve for x
    x = 13,744,036.30/5,218.40
  6. Step 6: Final answer
    x = 2,633.76

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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.