Home / 4,442.39-6,664.73-1,520.72

Finding the Fourth Proportional to 4,442.39, 6,664.73 and 1,520.72

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Solution

The fourth proportional to 4,442.39, 6,664.73 and 1,520.72 is: 2,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.39 : 6,664.73 = 1,520.72 : x
  2. Step 2: Convert to fraction form
    4,442.39/6,664.73 = 1,520.72/x
  3. Step 3: Cross multiply
    4,442.39x = 6,664.73 × 1,520.72
  4. Step 4: Simplify right side
    4,442.39x = 10,135,147.28
  5. Step 5: Solve for x
    x = 10,135,147.28/4,442.39
  6. Step 6: Final answer
    x = 2,281.47

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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.