Home / 6,555.05-9,834.19-2,172.95

Finding the Fourth Proportional to 6,555.05, 9,834.19 and 2,172.95

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Solution

The fourth proportional to 6,555.05, 9,834.19 and 2,172.95 is: 3,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.05 : 9,834.19 = 2,172.95 : x
  2. Step 2: Convert to fraction form
    6,555.05/9,834.19 = 2,172.95/x
  3. Step 3: Cross multiply
    6,555.05x = 9,834.19 × 2,172.95
  4. Step 4: Simplify right side
    6,555.05x = 21,369,203.16
  5. Step 5: Solve for x
    x = 21,369,203.16/6,555.05
  6. Step 6: Final answer
    x = 3,259.96

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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.