Home / 4,637.69-6,400.13-2,648.43

Finding the Fourth Proportional to 4,637.69, 6,400.13 and 2,648.43

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Solution

The fourth proportional to 4,637.69, 6,400.13 and 2,648.43 is: 3,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.69 : 6,400.13 = 2,648.43 : x
  2. Step 2: Convert to fraction form
    4,637.69/6,400.13 = 2,648.43/x
  3. Step 3: Cross multiply
    4,637.69x = 6,400.13 × 2,648.43
  4. Step 4: Simplify right side
    4,637.69x = 16,950,286.78
  5. Step 5: Solve for x
    x = 16,950,286.78/4,637.69
  6. Step 6: Final answer
    x = 3,654.90

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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.