Home / 6,997.14-9,653.87-3,971.76

Finding the Fourth Proportional to 6,997.14, 9,653.87 and 3,971.76

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Solution

The fourth proportional to 6,997.14, 9,653.87 and 3,971.76 is: 5,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.14 : 9,653.87 = 3,971.76 : x
  2. Step 2: Convert to fraction form
    6,997.14/9,653.87 = 3,971.76/x
  3. Step 3: Cross multiply
    6,997.14x = 9,653.87 × 3,971.76
  4. Step 4: Simplify right side
    6,997.14x = 38,342,854.71
  5. Step 5: Solve for x
    x = 38,342,854.71/6,997.14
  6. Step 6: Final answer
    x = 5,479.79

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1.5x scale

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.