Home / 4,307.96-5,942.88-2,815.94

Finding the Fourth Proportional to 4,307.96, 5,942.88 and 2,815.94

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Solution

The fourth proportional to 4,307.96, 5,942.88 and 2,815.94 is: 3,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.96 : 5,942.88 = 2,815.94 : x
  2. Step 2: Convert to fraction form
    4,307.96/5,942.88 = 2,815.94/x
  3. Step 3: Cross multiply
    4,307.96x = 5,942.88 × 2,815.94
  4. Step 4: Simplify right side
    4,307.96x = 16,734,763.79
  5. Step 5: Solve for x
    x = 16,734,763.79/4,307.96
  6. Step 6: Final answer
    x = 3,884.62

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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.