Home / 5,286.26-7,295.10-2,928.44

Finding the Fourth Proportional to 5,286.26, 7,295.10 and 2,928.44

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Solution

The fourth proportional to 5,286.26, 7,295.10 and 2,928.44 is: 4,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.26 : 7,295.10 = 2,928.44 : x
  2. Step 2: Convert to fraction form
    5,286.26/7,295.10 = 2,928.44/x
  3. Step 3: Cross multiply
    5,286.26x = 7,295.10 × 2,928.44
  4. Step 4: Simplify right side
    5,286.26x = 21,363,262.64
  5. Step 5: Solve for x
    x = 21,363,262.64/5,286.26
  6. Step 6: Final answer
    x = 4,041.28

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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.