Home / 4,637.45-6,990.82-4,243.39

Finding the Fourth Proportional to 4,637.45, 6,990.82 and 4,243.39

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Solution

The fourth proportional to 4,637.45, 6,990.82 and 4,243.39 is: 6,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.45 : 6,990.82 = 4,243.39 : x
  2. Step 2: Convert to fraction form
    4,637.45/6,990.82 = 4,243.39/x
  3. Step 3: Cross multiply
    4,637.45x = 6,990.82 × 4,243.39
  4. Step 4: Simplify right side
    4,637.45x = 29,664,747.59
  5. Step 5: Solve for x
    x = 29,664,747.59/4,637.45
  6. Step 6: Final answer
    x = 6,396.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.