Home / 6,982.49-9,634.75-4,148.81

Finding the Fourth Proportional to 6,982.49, 9,634.75 and 4,148.81

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Solution

The fourth proportional to 6,982.49, 9,634.75 and 4,148.81 is: 5,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.49 : 9,634.75 = 4,148.81 : x
  2. Step 2: Convert to fraction form
    6,982.49/9,634.75 = 4,148.81/x
  3. Step 3: Cross multiply
    6,982.49x = 9,634.75 × 4,148.81
  4. Step 4: Simplify right side
    6,982.49x = 39,972,748.07
  5. Step 5: Solve for x
    x = 39,972,748.07/6,982.49
  6. Step 6: Final answer
    x = 5,724.72

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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.