Home / 6,957.11-10,438.31-4,185.70

Finding the Fourth Proportional to 6,957.11, 10,438.31 and 4,185.70

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Solution

The fourth proportional to 6,957.11, 10,438.31 and 4,185.70 is: 6,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.11 : 10,438.31 = 4,185.70 : x
  2. Step 2: Convert to fraction form
    6,957.11/10,438.31 = 4,185.70/x
  3. Step 3: Cross multiply
    6,957.11x = 10,438.31 × 4,185.70
  4. Step 4: Simplify right side
    6,957.11x = 43,691,618.54
  5. Step 5: Solve for x
    x = 43,691,618.54/6,957.11
  6. Step 6: Final answer
    x = 6,280.14

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1.5x scale

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.