Home / 4,825.60-6,659.08-3,121.12

Finding the Fourth Proportional to 4,825.60, 6,659.08 and 3,121.12

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Solution

The fourth proportional to 4,825.60, 6,659.08 and 3,121.12 is: 4,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.60 : 6,659.08 = 3,121.12 : x
  2. Step 2: Convert to fraction form
    4,825.60/6,659.08 = 3,121.12/x
  3. Step 3: Cross multiply
    4,825.60x = 6,659.08 × 3,121.12
  4. Step 4: Simplify right side
    4,825.60x = 20,783,787.77
  5. Step 5: Solve for x
    x = 20,783,787.77/4,825.60
  6. Step 6: Final answer
    x = 4,306.99

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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.