Home / 8,790.23-13,186.71-2,865.74

Finding the Fourth Proportional to 8,790.23, 13,186.71 and 2,865.74

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Solution

The fourth proportional to 8,790.23, 13,186.71 and 2,865.74 is: 4,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.23 : 13,186.71 = 2,865.74 : x
  2. Step 2: Convert to fraction form
    8,790.23/13,186.71 = 2,865.74/x
  3. Step 3: Cross multiply
    8,790.23x = 13,186.71 × 2,865.74
  4. Step 4: Simplify right side
    8,790.23x = 37,789,616.38
  5. Step 5: Solve for x
    x = 37,789,616.38/8,790.23
  6. Step 6: Final answer
    x = 4,299.05

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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.