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Finding the Fourth Proportional to 4,603.67, 6,920.09 and 3,962.15

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Solution

The fourth proportional to 4,603.67, 6,920.09 and 3,962.15 is: 5,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.67 : 6,920.09 = 3,962.15 : x
  2. Step 2: Convert to fraction form
    4,603.67/6,920.09 = 3,962.15/x
  3. Step 3: Cross multiply
    4,603.67x = 6,920.09 × 3,962.15
  4. Step 4: Simplify right side
    4,603.67x = 27,418,414.78
  5. Step 5: Solve for x
    x = 27,418,414.78/4,603.67
  6. Step 6: Final answer
    x = 5,955.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.