Home / 4,276.78-6,411.46-1,679.10

Finding the Fourth Proportional to 4,276.78, 6,411.46 and 1,679.10

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Solution

The fourth proportional to 4,276.78, 6,411.46 and 1,679.10 is: 2,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.78 : 6,411.46 = 1,679.10 : x
  2. Step 2: Convert to fraction form
    4,276.78/6,411.46 = 1,679.10/x
  3. Step 3: Cross multiply
    4,276.78x = 6,411.46 × 1,679.10
  4. Step 4: Simplify right side
    4,276.78x = 10,765,482.49
  5. Step 5: Solve for x
    x = 10,765,482.49/4,276.78
  6. Step 6: Final answer
    x = 2,517.19

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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.