Home / 5,267.95-7,899.71-2,145.83

Finding the Fourth Proportional to 5,267.95, 7,899.71 and 2,145.83

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Solution

The fourth proportional to 5,267.95, 7,899.71 and 2,145.83 is: 3,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.95 : 7,899.71 = 2,145.83 : x
  2. Step 2: Convert to fraction form
    5,267.95/7,899.71 = 2,145.83/x
  3. Step 3: Cross multiply
    5,267.95x = 7,899.71 × 2,145.83
  4. Step 4: Simplify right side
    5,267.95x = 16,951,384.48
  5. Step 5: Solve for x
    x = 16,951,384.48/5,267.95
  6. Step 6: Final answer
    x = 3,217.83

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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.