Home / 5,529.63-7,630.83-3,172.14

Finding the Fourth Proportional to 5,529.63, 7,630.83 and 3,172.14

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Solution

The fourth proportional to 5,529.63, 7,630.83 and 3,172.14 is: 4,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.63 : 7,630.83 = 3,172.14 : x
  2. Step 2: Convert to fraction form
    5,529.63/7,630.83 = 3,172.14/x
  3. Step 3: Cross multiply
    5,529.63x = 7,630.83 × 3,172.14
  4. Step 4: Simplify right side
    5,529.63x = 24,206,061.08
  5. Step 5: Solve for x
    x = 24,206,061.08/5,529.63
  6. Step 6: Final answer
    x = 4,377.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.