Home / 6,943.38-10,415.88-2,439.05

Finding the Fourth Proportional to 6,943.38, 10,415.88 and 2,439.05

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Solution

The fourth proportional to 6,943.38, 10,415.88 and 2,439.05 is: 3,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.38 : 10,415.88 = 2,439.05 : x
  2. Step 2: Convert to fraction form
    6,943.38/10,415.88 = 2,439.05/x
  3. Step 3: Cross multiply
    6,943.38x = 10,415.88 × 2,439.05
  4. Step 4: Simplify right side
    6,943.38x = 25,404,852.11
  5. Step 5: Solve for x
    x = 25,404,852.11/6,943.38
  6. Step 6: Final answer
    x = 3,658.86

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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.