Home / 5,267.04-7,895.10-2,145.72

Finding the Fourth Proportional to 5,267.04, 7,895.10 and 2,145.72

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Solution

The fourth proportional to 5,267.04, 7,895.10 and 2,145.72 is: 3,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.04 : 7,895.10 = 2,145.72 : x
  2. Step 2: Convert to fraction form
    5,267.04/7,895.10 = 2,145.72/x
  3. Step 3: Cross multiply
    5,267.04x = 7,895.10 × 2,145.72
  4. Step 4: Simplify right side
    5,267.04x = 16,940,673.97
  5. Step 5: Solve for x
    x = 16,940,673.97/5,267.04
  6. Step 6: Final answer
    x = 3,216.36

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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.