Home / 4,813.62-6,648.28-3,238.98

Finding the Fourth Proportional to 4,813.62, 6,648.28 and 3,238.98

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Solution

The fourth proportional to 4,813.62, 6,648.28 and 3,238.98 is: 4,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.62 : 6,648.28 = 3,238.98 : x
  2. Step 2: Convert to fraction form
    4,813.62/6,648.28 = 3,238.98/x
  3. Step 3: Cross multiply
    4,813.62x = 6,648.28 × 3,238.98
  4. Step 4: Simplify right side
    4,813.62x = 21,533,645.95
  5. Step 5: Solve for x
    x = 21,533,645.95/4,813.62
  6. Step 6: Final answer
    x = 4,473.48

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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.