Home / 4,432.38-6,648.84-1,145.49

Finding the Fourth Proportional to 4,432.38, 6,648.84 and 1,145.49

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Solution

The fourth proportional to 4,432.38, 6,648.84 and 1,145.49 is: 1,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.38 : 6,648.84 = 1,145.49 : x
  2. Step 2: Convert to fraction form
    4,432.38/6,648.84 = 1,145.49/x
  3. Step 3: Cross multiply
    4,432.38x = 6,648.84 × 1,145.49
  4. Step 4: Simplify right side
    4,432.38x = 7,616,179.73
  5. Step 5: Solve for x
    x = 7,616,179.73/4,432.38
  6. Step 6: Final answer
    x = 1,718.30

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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.