Home / 7,385.88-10,192.39-4,028.70

Finding the Fourth Proportional to 7,385.88, 10,192.39 and 4,028.70

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Solution

The fourth proportional to 7,385.88, 10,192.39 and 4,028.70 is: 5,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.88 : 10,192.39 = 4,028.70 : x
  2. Step 2: Convert to fraction form
    7,385.88/10,192.39 = 4,028.70/x
  3. Step 3: Cross multiply
    7,385.88x = 10,192.39 × 4,028.70
  4. Step 4: Simplify right side
    7,385.88x = 41,062,081.59
  5. Step 5: Solve for x
    x = 41,062,081.59/7,385.88
  6. Step 6: Final answer
    x = 5,559.54

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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.