Home / 4,815.12-7,217.16-2,184.62

Finding the Fourth Proportional to 4,815.12, 7,217.16 and 2,184.62

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Solution

The fourth proportional to 4,815.12, 7,217.16 and 2,184.62 is: 3,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.12 : 7,217.16 = 2,184.62 : x
  2. Step 2: Convert to fraction form
    4,815.12/7,217.16 = 2,184.62/x
  3. Step 3: Cross multiply
    4,815.12x = 7,217.16 × 2,184.62
  4. Step 4: Simplify right side
    4,815.12x = 15,766,752.08
  5. Step 5: Solve for x
    x = 15,766,752.08/4,815.12
  6. Step 6: Final answer
    x = 3,274.43

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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.