Home / 7,536.30-10,399.39-4,178.95

Finding the Fourth Proportional to 7,536.30, 10,399.39 and 4,178.95

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Solution

The fourth proportional to 7,536.30, 10,399.39 and 4,178.95 is: 5,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.30 : 10,399.39 = 4,178.95 : x
  2. Step 2: Convert to fraction form
    7,536.30/10,399.39 = 4,178.95/x
  3. Step 3: Cross multiply
    7,536.30x = 10,399.39 × 4,178.95
  4. Step 4: Simplify right side
    7,536.30x = 43,458,530.84
  5. Step 5: Solve for x
    x = 43,458,530.84/7,536.30
  6. Step 6: Final answer
    x = 5,766.56

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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.