Home / 7,126.56-9,834.66-3,982.77

Finding the Fourth Proportional to 7,126.56, 9,834.66 and 3,982.77

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Solution

The fourth proportional to 7,126.56, 9,834.66 and 3,982.77 is: 5,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.56 : 9,834.66 = 3,982.77 : x
  2. Step 2: Convert to fraction form
    7,126.56/9,834.66 = 3,982.77/x
  3. Step 3: Cross multiply
    7,126.56x = 9,834.66 × 3,982.77
  4. Step 4: Simplify right side
    7,126.56x = 39,169,188.81
  5. Step 5: Solve for x
    x = 39,169,188.81/7,126.56
  6. Step 6: Final answer
    x = 5,496.23

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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.