Home / 7,385.61-10,192.09-4,028.36

Finding the Fourth Proportional to 7,385.61, 10,192.09 and 4,028.36

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Solution

The fourth proportional to 7,385.61, 10,192.09 and 4,028.36 is: 5,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.61 : 10,192.09 = 4,028.36 : x
  2. Step 2: Convert to fraction form
    7,385.61/10,192.09 = 4,028.36/x
  3. Step 3: Cross multiply
    7,385.61x = 10,192.09 × 4,028.36
  4. Step 4: Simplify right side
    7,385.61x = 41,057,407.67
  5. Step 5: Solve for x
    x = 41,057,407.67/7,385.61
  6. Step 6: Final answer
    x = 5,559.11

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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.