Home / 5,286.69-7,295.85-2,928.83

Finding the Fourth Proportional to 5,286.69, 7,295.85 and 2,928.83

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Solution

The fourth proportional to 5,286.69, 7,295.85 and 2,928.83 is: 4,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.69 : 7,295.85 = 2,928.83 : x
  2. Step 2: Convert to fraction form
    5,286.69/7,295.85 = 2,928.83/x
  3. Step 3: Cross multiply
    5,286.69x = 7,295.85 × 2,928.83
  4. Step 4: Simplify right side
    5,286.69x = 21,368,267.88
  5. Step 5: Solve for x
    x = 21,368,267.88/5,286.69
  6. Step 6: Final answer
    x = 4,041.90

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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.