Home / 7,126.45-9,834.43-3,982.64

Finding the Fourth Proportional to 7,126.45, 9,834.43 and 3,982.64

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Solution

The fourth proportional to 7,126.45, 9,834.43 and 3,982.64 is: 5,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.45 : 9,834.43 = 3,982.64 : x
  2. Step 2: Convert to fraction form
    7,126.45/9,834.43 = 3,982.64/x
  3. Step 3: Cross multiply
    7,126.45x = 9,834.43 × 3,982.64
  4. Step 4: Simplify right side
    7,126.45x = 39,166,925.21
  5. Step 5: Solve for x
    x = 39,166,925.21/7,126.45
  6. Step 6: Final answer
    x = 5,496.00

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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.