Home / 7,385.57-10,192.17-4,028.36

Finding the Fourth Proportional to 7,385.57, 10,192.17 and 4,028.36

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Solution

The fourth proportional to 7,385.57, 10,192.17 and 4,028.36 is: 5,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.57 : 10,192.17 = 4,028.36 : x
  2. Step 2: Convert to fraction form
    7,385.57/10,192.17 = 4,028.36/x
  3. Step 3: Cross multiply
    7,385.57x = 10,192.17 × 4,028.36
  4. Step 4: Simplify right side
    7,385.57x = 41,057,729.94
  5. Step 5: Solve for x
    x = 41,057,729.94/7,385.57
  6. Step 6: Final answer
    x = 5,559.18

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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.