Home / 4,578.12-6,319.62-3,181.68

Finding the Fourth Proportional to 4,578.12, 6,319.62 and 3,181.68

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Solution

The fourth proportional to 4,578.12, 6,319.62 and 3,181.68 is: 4,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.12 : 6,319.62 = 3,181.68 : x
  2. Step 2: Convert to fraction form
    4,578.12/6,319.62 = 3,181.68/x
  3. Step 3: Cross multiply
    4,578.12x = 6,319.62 × 3,181.68
  4. Step 4: Simplify right side
    4,578.12x = 20,107,008.56
  5. Step 5: Solve for x
    x = 20,107,008.56/4,578.12
  6. Step 6: Final answer
    x = 4,391.98

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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.