Home / 4,560.32-6,290.38-2,788.86

Finding the Fourth Proportional to 4,560.32, 6,290.38 and 2,788.86

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Solution

The fourth proportional to 4,560.32, 6,290.38 and 2,788.86 is: 3,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560.32 : 6,290.38 = 2,788.86 : x
  2. Step 2: Convert to fraction form
    4,560.32/6,290.38 = 2,788.86/x
  3. Step 3: Cross multiply
    4,560.32x = 6,290.38 × 2,788.86
  4. Step 4: Simplify right side
    4,560.32x = 17,542,989.17
  5. Step 5: Solve for x
    x = 17,542,989.17/4,560.32
  6. Step 6: Final answer
    x = 3,846.88

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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.