Home / 4,127.28-6,192.50-2,485

Finding the Fourth Proportional to 4,127.28, 6,192.50 and 2,485

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Solution

The fourth proportional to 4,127.28, 6,192.50 and 2,485 is: 3,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.28 : 6,192.50 = 2,485 : x
  2. Step 2: Convert to fraction form
    4,127.28/6,192.50 = 2,485/x
  3. Step 3: Cross multiply
    4,127.28x = 6,192.50 × 2,485
  4. Step 4: Simplify right side
    4,127.28x = 15,388,362.50
  5. Step 5: Solve for x
    x = 15,388,362.50/4,127.28
  6. Step 6: Final answer
    x = 3,728.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.