Home / 5,287.30-7,926.49-3,335.20

Finding the Fourth Proportional to 5,287.30, 7,926.49 and 3,335.20

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Solution

The fourth proportional to 5,287.30, 7,926.49 and 3,335.20 is: 4,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.30 : 7,926.49 = 3,335.20 : x
  2. Step 2: Convert to fraction form
    5,287.30/7,926.49 = 3,335.20/x
  3. Step 3: Cross multiply
    5,287.30x = 7,926.49 × 3,335.20
  4. Step 4: Simplify right side
    5,287.30x = 26,436,429.45
  5. Step 5: Solve for x
    x = 26,436,429.45/5,287.30
  6. Step 6: Final answer
    x = 4,999.99

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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.