Home / 5,302.30-7,953.45-1,839.90

Finding the Fourth Proportional to 5,302.30, 7,953.45 and 1,839.90

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Solution

The fourth proportional to 5,302.30, 7,953.45 and 1,839.90 is: 2,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.30 : 7,953.45 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    5,302.30/7,953.45 = 1,839.90/x
  3. Step 3: Cross multiply
    5,302.30x = 7,953.45 × 1,839.90
  4. Step 4: Simplify right side
    5,302.30x = 14,633,552.66
  5. Step 5: Solve for x
    x = 14,633,552.66/5,302.30
  6. Step 6: Final answer
    x = 2,759.85

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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.