Home / 4,278.46-6,415.20-2,084.98

Finding the Fourth Proportional to 4,278.46, 6,415.20 and 2,084.98

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Solution

The fourth proportional to 4,278.46, 6,415.20 and 2,084.98 is: 3,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.46 : 6,415.20 = 2,084.98 : x
  2. Step 2: Convert to fraction form
    4,278.46/6,415.20 = 2,084.98/x
  3. Step 3: Cross multiply
    4,278.46x = 6,415.20 × 2,084.98
  4. Step 4: Simplify right side
    4,278.46x = 13,375,563.70
  5. Step 5: Solve for x
    x = 13,375,563.70/4,278.46
  6. Step 6: Final answer
    x = 3,126.26

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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.