Home / 6,287.95-9,426.34-3,163.87

Finding the Fourth Proportional to 6,287.95, 9,426.34 and 3,163.87

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Solution

The fourth proportional to 6,287.95, 9,426.34 and 3,163.87 is: 4,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.95 : 9,426.34 = 3,163.87 : x
  2. Step 2: Convert to fraction form
    6,287.95/9,426.34 = 3,163.87/x
  3. Step 3: Cross multiply
    6,287.95x = 9,426.34 × 3,163.87
  4. Step 4: Simplify right side
    6,287.95x = 29,823,714.34
  5. Step 5: Solve for x
    x = 29,823,714.34/6,287.95
  6. Step 6: Final answer
    x = 4,742.99

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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.