Home / 4,284.42-5,915.85-3,288.12

Finding the Fourth Proportional to 4,284.42, 5,915.85 and 3,288.12

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Solution

The fourth proportional to 4,284.42, 5,915.85 and 3,288.12 is: 4,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.42 : 5,915.85 = 3,288.12 : x
  2. Step 2: Convert to fraction form
    4,284.42/5,915.85 = 3,288.12/x
  3. Step 3: Cross multiply
    4,284.42x = 5,915.85 × 3,288.12
  4. Step 4: Simplify right side
    4,284.42x = 19,452,024.70
  5. Step 5: Solve for x
    x = 19,452,024.70/4,284.42
  6. Step 6: Final answer
    x = 4,540.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.