Home / 6,928.34-10,395.54-3,640.64

Finding the Fourth Proportional to 6,928.34, 10,395.54 and 3,640.64

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Solution

The fourth proportional to 6,928.34, 10,395.54 and 3,640.64 is: 5,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.34 : 10,395.54 = 3,640.64 : x
  2. Step 2: Convert to fraction form
    6,928.34/10,395.54 = 3,640.64/x
  3. Step 3: Cross multiply
    6,928.34x = 10,395.54 × 3,640.64
  4. Step 4: Simplify right side
    6,928.34x = 37,846,366.77
  5. Step 5: Solve for x
    x = 37,846,366.77/6,928.34
  6. Step 6: Final answer
    x = 5,462.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.