Home / 7,579.49-11,369.10-2,649.11

Finding the Fourth Proportional to 7,579.49, 11,369.10 and 2,649.11

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Solution

The fourth proportional to 7,579.49, 11,369.10 and 2,649.11 is: 3,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.49 : 11,369.10 = 2,649.11 : x
  2. Step 2: Convert to fraction form
    7,579.49/11,369.10 = 2,649.11/x
  3. Step 3: Cross multiply
    7,579.49x = 11,369.10 × 2,649.11
  4. Step 4: Simplify right side
    7,579.49x = 30,117,996.50
  5. Step 5: Solve for x
    x = 30,117,996.50/7,579.49
  6. Step 6: Final answer
    x = 3,973.62

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1.5x scale

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.