Home / 6,579.61-9,869.18-1,649.29

Finding the Fourth Proportional to 6,579.61, 9,869.18 and 1,649.29

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Solution

The fourth proportional to 6,579.61, 9,869.18 and 1,649.29 is: 2,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.61 : 9,869.18 = 1,649.29 : x
  2. Step 2: Convert to fraction form
    6,579.61/9,869.18 = 1,649.29/x
  3. Step 3: Cross multiply
    6,579.61x = 9,869.18 × 1,649.29
  4. Step 4: Simplify right side
    6,579.61x = 16,277,139.88
  5. Step 5: Solve for x
    x = 16,277,139.88/6,579.61
  6. Step 6: Final answer
    x = 2,473.88

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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.