Home / 6,696.81-10,038.57-3,180.63

Finding the Fourth Proportional to 6,696.81, 10,038.57 and 3,180.63

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Solution

The fourth proportional to 6,696.81, 10,038.57 and 3,180.63 is: 4,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.81 : 10,038.57 = 3,180.63 : x
  2. Step 2: Convert to fraction form
    6,696.81/10,038.57 = 3,180.63/x
  3. Step 3: Cross multiply
    6,696.81x = 10,038.57 × 3,180.63
  4. Step 4: Simplify right side
    6,696.81x = 31,928,976.90
  5. Step 5: Solve for x
    x = 31,928,976.90/6,696.81
  6. Step 6: Final answer
    x = 4,767.79

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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.