Home / 8,042.78-11,099.49-4,507.13

Finding the Fourth Proportional to 8,042.78, 11,099.49 and 4,507.13

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Solution

The fourth proportional to 8,042.78, 11,099.49 and 4,507.13 is: 6,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.78 : 11,099.49 = 4,507.13 : x
  2. Step 2: Convert to fraction form
    8,042.78/11,099.49 = 4,507.13/x
  3. Step 3: Cross multiply
    8,042.78x = 11,099.49 × 4,507.13
  4. Step 4: Simplify right side
    8,042.78x = 50,026,844.36
  5. Step 5: Solve for x
    x = 50,026,844.36/8,042.78
  6. Step 6: Final answer
    x = 6,220.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.