Home / 10,579.82-15,869.09-4,734.86

Finding the Fourth Proportional to 10,579.82, 15,869.09 and 4,734.86

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Solution

The fourth proportional to 10,579.82, 15,869.09 and 4,734.86 is: 7,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.82 : 15,869.09 = 4,734.86 : x
  2. Step 2: Convert to fraction form
    10,579.82/15,869.09 = 4,734.86/x
  3. Step 3: Cross multiply
    10,579.82x = 15,869.09 × 4,734.86
  4. Step 4: Simplify right side
    10,579.82x = 75,137,851.97
  5. Step 5: Solve for x
    x = 75,137,851.97/10,579.82
  6. Step 6: Final answer
    x = 7,102.00

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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.