Home / 4,631.16-6,942.42-2,782.74

Finding the Fourth Proportional to 4,631.16, 6,942.42 and 2,782.74

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Solution

The fourth proportional to 4,631.16, 6,942.42 and 2,782.74 is: 4,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.16 : 6,942.42 = 2,782.74 : x
  2. Step 2: Convert to fraction form
    4,631.16/6,942.42 = 2,782.74/x
  3. Step 3: Cross multiply
    4,631.16x = 6,942.42 × 2,782.74
  4. Step 4: Simplify right side
    4,631.16x = 19,318,949.83
  5. Step 5: Solve for x
    x = 19,318,949.83/4,631.16
  6. Step 6: Final answer
    x = 4,171.51

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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.