Home / 3,926.25-5,415.47-3,332.70

Finding the Fourth Proportional to 3,926.25, 5,415.47 and 3,332.70

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Solution

The fourth proportional to 3,926.25, 5,415.47 and 3,332.70 is: 4,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.25 : 5,415.47 = 3,332.70 : x
  2. Step 2: Convert to fraction form
    3,926.25/5,415.47 = 3,332.70/x
  3. Step 3: Cross multiply
    3,926.25x = 5,415.47 × 3,332.70
  4. Step 4: Simplify right side
    3,926.25x = 18,048,120.21
  5. Step 5: Solve for x
    x = 18,048,120.21/3,926.25
  6. Step 6: Final answer
    x = 4,596.78

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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.