Home / 6,603-9,112.16-3,809.04

Finding the Fourth Proportional to 6,603, 9,112.16 and 3,809.04

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Solution

The fourth proportional to 6,603, 9,112.16 and 3,809.04 is: 5,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603 : 9,112.16 = 3,809.04 : x
  2. Step 2: Convert to fraction form
    6,603/9,112.16 = 3,809.04/x
  3. Step 3: Cross multiply
    6,603x = 9,112.16 × 3,809.04
  4. Step 4: Simplify right side
    6,603x = 34,708,581.93
  5. Step 5: Solve for x
    x = 34,708,581.93/6,603
  6. Step 6: Final answer
    x = 5,256.49

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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.