Home / 4,621.46-6,377.87-2,853.09

Finding the Fourth Proportional to 4,621.46, 6,377.87 and 2,853.09

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Solution

The fourth proportional to 4,621.46, 6,377.87 and 2,853.09 is: 3,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.46 : 6,377.87 = 2,853.09 : x
  2. Step 2: Convert to fraction form
    4,621.46/6,377.87 = 2,853.09/x
  3. Step 3: Cross multiply
    4,621.46x = 6,377.87 × 2,853.09
  4. Step 4: Simplify right side
    4,621.46x = 18,196,644.25
  5. Step 5: Solve for x
    x = 18,196,644.25/4,621.46
  6. Step 6: Final answer
    x = 3,937.43

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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.