Home / 6,998.14-9,655.25-3,972.76

Finding the Fourth Proportional to 6,998.14, 9,655.25 and 3,972.76

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Solution

The fourth proportional to 6,998.14, 9,655.25 and 3,972.76 is: 5,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.14 : 9,655.25 = 3,972.76 : x
  2. Step 2: Convert to fraction form
    6,998.14/9,655.25 = 3,972.76/x
  3. Step 3: Cross multiply
    6,998.14x = 9,655.25 × 3,972.76
  4. Step 4: Simplify right side
    6,998.14x = 38,357,990.99
  5. Step 5: Solve for x
    x = 38,357,990.99/6,998.14
  6. Step 6: Final answer
    x = 5,481.17

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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.