Home / 6,603.84-9,112.23-4,087.62

Finding the Fourth Proportional to 6,603.84, 9,112.23 and 4,087.62

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Solution

The fourth proportional to 6,603.84, 9,112.23 and 4,087.62 is: 5,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.84 : 9,112.23 = 4,087.62 : x
  2. Step 2: Convert to fraction form
    6,603.84/9,112.23 = 4,087.62/x
  3. Step 3: Cross multiply
    6,603.84x = 9,112.23 × 4,087.62
  4. Step 4: Simplify right side
    6,603.84x = 37,247,333.59
  5. Step 5: Solve for x
    x = 37,247,333.59/6,603.84
  6. Step 6: Final answer
    x = 5,640.25

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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.