Home / 4,352.78-6,529.17-1,274.78

Finding the Fourth Proportional to 4,352.78, 6,529.17 and 1,274.78

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Solution

The fourth proportional to 4,352.78, 6,529.17 and 1,274.78 is: 1,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,352.78 : 6,529.17 = 1,274.78 : x
  2. Step 2: Convert to fraction form
    4,352.78/6,529.17 = 1,274.78/x
  3. Step 3: Cross multiply
    4,352.78x = 6,529.17 × 1,274.78
  4. Step 4: Simplify right side
    4,352.78x = 8,323,255.33
  5. Step 5: Solve for x
    x = 8,323,255.33/4,352.78
  6. Step 6: Final answer
    x = 1,912.17

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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.