Home / 7,069.77-9,757.55-5,286.21

Finding the Fourth Proportional to 7,069.77, 9,757.55 and 5,286.21

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Solution

The fourth proportional to 7,069.77, 9,757.55 and 5,286.21 is: 7,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.77 : 9,757.55 = 5,286.21 : x
  2. Step 2: Convert to fraction form
    7,069.77/9,757.55 = 5,286.21/x
  3. Step 3: Cross multiply
    7,069.77x = 9,757.55 × 5,286.21
  4. Step 4: Simplify right side
    7,069.77x = 51,580,458.39
  5. Step 5: Solve for x
    x = 51,580,458.39/7,069.77
  6. Step 6: Final answer
    x = 7,295.92

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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.