Home / 4,631.46-6,392.57-3,141.87

Finding the Fourth Proportional to 4,631.46, 6,392.57 and 3,141.87

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Solution

The fourth proportional to 4,631.46, 6,392.57 and 3,141.87 is: 4,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.46 : 6,392.57 = 3,141.87 : x
  2. Step 2: Convert to fraction form
    4,631.46/6,392.57 = 3,141.87/x
  3. Step 3: Cross multiply
    4,631.46x = 6,392.57 × 3,141.87
  4. Step 4: Simplify right side
    4,631.46x = 20,084,608.20
  5. Step 5: Solve for x
    x = 20,084,608.20/4,631.46
  6. Step 6: Final answer
    x = 4,336.56

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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.