Home / 4,127.95-6,192.69-1,354.78

Finding the Fourth Proportional to 4,127.95, 6,192.69 and 1,354.78

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Solution

The fourth proportional to 4,127.95, 6,192.69 and 1,354.78 is: 2,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.95 : 6,192.69 = 1,354.78 : x
  2. Step 2: Convert to fraction form
    4,127.95/6,192.69 = 1,354.78/x
  3. Step 3: Cross multiply
    4,127.95x = 6,192.69 × 1,354.78
  4. Step 4: Simplify right side
    4,127.95x = 8,389,732.56
  5. Step 5: Solve for x
    x = 8,389,732.56/4,127.95
  6. Step 6: Final answer
    x = 2,032.42

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1.5x scale

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.