Home / 4,678.43-6,456.27-2,553.98

Finding the Fourth Proportional to 4,678.43, 6,456.27 and 2,553.98

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Solution

The fourth proportional to 4,678.43, 6,456.27 and 2,553.98 is: 3,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.43 : 6,456.27 = 2,553.98 : x
  2. Step 2: Convert to fraction form
    4,678.43/6,456.27 = 2,553.98/x
  3. Step 3: Cross multiply
    4,678.43x = 6,456.27 × 2,553.98
  4. Step 4: Simplify right side
    4,678.43x = 16,489,184.45
  5. Step 5: Solve for x
    x = 16,489,184.45/4,678.43
  6. Step 6: Final answer
    x = 3,524.51

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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.