Home / 4,252.56-6,380.28-2,690.76

Finding the Fourth Proportional to 4,252.56, 6,380.28 and 2,690.76

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Solution

The fourth proportional to 4,252.56, 6,380.28 and 2,690.76 is: 4,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.56 : 6,380.28 = 2,690.76 : x
  2. Step 2: Convert to fraction form
    4,252.56/6,380.28 = 2,690.76/x
  3. Step 3: Cross multiply
    4,252.56x = 6,380.28 × 2,690.76
  4. Step 4: Simplify right side
    4,252.56x = 17,167,802.21
  5. Step 5: Solve for x
    x = 17,167,802.21/4,252.56
  6. Step 6: Final answer
    x = 4,037.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.