Home / 6,552.61-9,042.77-3,720.11

Finding the Fourth Proportional to 6,552.61, 9,042.77 and 3,720.11

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Solution

The fourth proportional to 6,552.61, 9,042.77 and 3,720.11 is: 5,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552.61 : 9,042.77 = 3,720.11 : x
  2. Step 2: Convert to fraction form
    6,552.61/9,042.77 = 3,720.11/x
  3. Step 3: Cross multiply
    6,552.61x = 9,042.77 × 3,720.11
  4. Step 4: Simplify right side
    6,552.61x = 33,640,063.19
  5. Step 5: Solve for x
    x = 33,640,063.19/6,552.61
  6. Step 6: Final answer
    x = 5,133.84

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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.