Home / 7,579.98-11,370-2,649.63

Finding the Fourth Proportional to 7,579.98, 11,370 and 2,649.63

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Solution

The fourth proportional to 7,579.98, 11,370 and 2,649.63 is: 3,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.98 : 11,370 = 2,649.63 : x
  2. Step 2: Convert to fraction form
    7,579.98/11,370 = 2,649.63/x
  3. Step 3: Cross multiply
    7,579.98x = 11,370 × 2,649.63
  4. Step 4: Simplify right side
    7,579.98x = 30,126,293.10
  5. Step 5: Solve for x
    x = 30,126,293.10/7,579.98
  6. Step 6: Final answer
    x = 3,974.46

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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.