Home / 6,985.38-10,476.69-3,425.97

Finding the Fourth Proportional to 6,985.38, 10,476.69 and 3,425.97

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Solution

The fourth proportional to 6,985.38, 10,476.69 and 3,425.97 is: 5,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.38 : 10,476.69 = 3,425.97 : x
  2. Step 2: Convert to fraction form
    6,985.38/10,476.69 = 3,425.97/x
  3. Step 3: Cross multiply
    6,985.38x = 10,476.69 × 3,425.97
  4. Step 4: Simplify right side
    6,985.38x = 35,892,825.64
  5. Step 5: Solve for x
    x = 35,892,825.64/6,985.38
  6. Step 6: Final answer
    x = 5,138.28

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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.