Home / 4,631.42-6,949.56-2,165.78

Finding the Fourth Proportional to 4,631.42, 6,949.56 and 2,165.78

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Solution

The fourth proportional to 4,631.42, 6,949.56 and 2,165.78 is: 3,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.42 : 6,949.56 = 2,165.78 : x
  2. Step 2: Convert to fraction form
    4,631.42/6,949.56 = 2,165.78/x
  3. Step 3: Cross multiply
    4,631.42x = 6,949.56 × 2,165.78
  4. Step 4: Simplify right side
    4,631.42x = 15,051,218.06
  5. Step 5: Solve for x
    x = 15,051,218.06/4,631.42
  6. Step 6: Final answer
    x = 3,249.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.