Home / 6,603.49-9,113.39-3,619.90

Finding the Fourth Proportional to 6,603.49, 9,113.39 and 3,619.90

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Solution

The fourth proportional to 6,603.49, 9,113.39 and 3,619.90 is: 4,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.49 : 9,113.39 = 3,619.90 : x
  2. Step 2: Convert to fraction form
    6,603.49/9,113.39 = 3,619.90/x
  3. Step 3: Cross multiply
    6,603.49x = 9,113.39 × 3,619.90
  4. Step 4: Simplify right side
    6,603.49x = 32,989,562.06
  5. Step 5: Solve for x
    x = 32,989,562.06/6,603.49
  6. Step 6: Final answer
    x = 4,995.78

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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.