Home / 9,791.08-14,688.78-3,216.98

Finding the Fourth Proportional to 9,791.08, 14,688.78 and 3,216.98

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Solution

The fourth proportional to 9,791.08, 14,688.78 and 3,216.98 is: 4,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.08 : 14,688.78 = 3,216.98 : x
  2. Step 2: Convert to fraction form
    9,791.08/14,688.78 = 3,216.98/x
  3. Step 3: Cross multiply
    9,791.08x = 14,688.78 × 3,216.98
  4. Step 4: Simplify right side
    9,791.08x = 47,253,536.14
  5. Step 5: Solve for x
    x = 47,253,536.14/9,791.08
  6. Step 6: Final answer
    x = 4,826.18

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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.