Home / 7,056.27-10,618.29-5,815.80

Finding the Fourth Proportional to 7,056.27, 10,618.29 and 5,815.80

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Solution

The fourth proportional to 7,056.27, 10,618.29 and 5,815.80 is: 8,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.27 : 10,618.29 = 5,815.80 : x
  2. Step 2: Convert to fraction form
    7,056.27/10,618.29 = 5,815.80/x
  3. Step 3: Cross multiply
    7,056.27x = 10,618.29 × 5,815.80
  4. Step 4: Simplify right side
    7,056.27x = 61,753,850.98
  5. Step 5: Solve for x
    x = 61,753,850.98/7,056.27
  6. Step 6: Final answer
    x = 8,751.63

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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.