Home / 6,928.86-10,397.64-3,644.28

Finding the Fourth Proportional to 6,928.86, 10,397.64 and 3,644.28

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Solution

The fourth proportional to 6,928.86, 10,397.64 and 3,644.28 is: 5,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.86 : 10,397.64 = 3,644.28 : x
  2. Step 2: Convert to fraction form
    6,928.86/10,397.64 = 3,644.28/x
  3. Step 3: Cross multiply
    6,928.86x = 10,397.64 × 3,644.28
  4. Step 4: Simplify right side
    6,928.86x = 37,891,911.50
  5. Step 5: Solve for x
    x = 37,891,911.50/6,928.86
  6. Step 6: Final answer
    x = 5,468.71

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1.5x scale

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.