Home / 4,677.18-6,446.68-4,108.56

Finding the Fourth Proportional to 4,677.18, 6,446.68 and 4,108.56

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Solution

The fourth proportional to 4,677.18, 6,446.68 and 4,108.56 is: 5,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.18 : 6,446.68 = 4,108.56 : x
  2. Step 2: Convert to fraction form
    4,677.18/6,446.68 = 4,108.56/x
  3. Step 3: Cross multiply
    4,677.18x = 6,446.68 × 4,108.56
  4. Step 4: Simplify right side
    4,677.18x = 26,486,571.58
  5. Step 5: Solve for x
    x = 26,486,571.58/4,677.18
  6. Step 6: Final answer
    x = 5,662.94

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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.