Home / 7,126.62-9,834.93-3,983.01

Finding the Fourth Proportional to 7,126.62, 9,834.93 and 3,983.01

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Solution

The fourth proportional to 7,126.62, 9,834.93 and 3,983.01 is: 5,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.62 : 9,834.93 = 3,983.01 : x
  2. Step 2: Convert to fraction form
    7,126.62/9,834.93 = 3,983.01/x
  3. Step 3: Cross multiply
    7,126.62x = 9,834.93 × 3,983.01
  4. Step 4: Simplify right side
    7,126.62x = 39,172,624.54
  5. Step 5: Solve for x
    x = 39,172,624.54/7,126.62
  6. Step 6: Final answer
    x = 5,496.66

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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.