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Finding the Fourth Proportional to 4,355.44, 6,532.44 and 1,433.78

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Solution

The fourth proportional to 4,355.44, 6,532.44 and 1,433.78 is: 2,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.44 : 6,532.44 = 1,433.78 : x
  2. Step 2: Convert to fraction form
    4,355.44/6,532.44 = 1,433.78/x
  3. Step 3: Cross multiply
    4,355.44x = 6,532.44 × 1,433.78
  4. Step 4: Simplify right side
    4,355.44x = 9,366,081.82
  5. Step 5: Solve for x
    x = 9,366,081.82/4,355.44
  6. Step 6: Final answer
    x = 2,150.43

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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.