Home / 4,621.43-6,376.82-2,853.60

Finding the Fourth Proportional to 4,621.43, 6,376.82 and 2,853.60

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Solution

The fourth proportional to 4,621.43, 6,376.82 and 2,853.60 is: 3,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.43 : 6,376.82 = 2,853.60 : x
  2. Step 2: Convert to fraction form
    4,621.43/6,376.82 = 2,853.60/x
  3. Step 3: Cross multiply
    4,621.43x = 6,376.82 × 2,853.60
  4. Step 4: Simplify right side
    4,621.43x = 18,196,879.28
  5. Step 5: Solve for x
    x = 18,196,879.28/4,621.43
  6. Step 6: Final answer
    x = 3,937.50

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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.