Home / 4,642.83-6,403.88-2,873.39

Finding the Fourth Proportional to 4,642.83, 6,403.88 and 2,873.39

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Solution

The fourth proportional to 4,642.83, 6,403.88 and 2,873.39 is: 3,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.83 : 6,403.88 = 2,873.39 : x
  2. Step 2: Convert to fraction form
    4,642.83/6,403.88 = 2,873.39/x
  3. Step 3: Cross multiply
    4,642.83x = 6,403.88 × 2,873.39
  4. Step 4: Simplify right side
    4,642.83x = 18,400,819.92
  5. Step 5: Solve for x
    x = 18,400,819.92/4,642.83
  6. Step 6: Final answer
    x = 3,963.28

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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.