Home / 9,156.46-13,734.66-3,311.68

Finding the Fourth Proportional to 9,156.46, 13,734.66 and 3,311.68

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Solution

The fourth proportional to 9,156.46, 13,734.66 and 3,311.68 is: 4,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.46 : 13,734.66 = 3,311.68 : x
  2. Step 2: Convert to fraction form
    9,156.46/13,734.66 = 3,311.68/x
  3. Step 3: Cross multiply
    9,156.46x = 13,734.66 × 3,311.68
  4. Step 4: Simplify right side
    9,156.46x = 45,484,798.83
  5. Step 5: Solve for x
    x = 45,484,798.83/9,156.46
  6. Step 6: Final answer
    x = 4,967.51

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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.