Home / 6,127.77-9,195.74-3,938.07

Finding the Fourth Proportional to 6,127.77, 9,195.74 and 3,938.07

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Solution

The fourth proportional to 6,127.77, 9,195.74 and 3,938.07 is: 5,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.77 : 9,195.74 = 3,938.07 : x
  2. Step 2: Convert to fraction form
    6,127.77/9,195.74 = 3,938.07/x
  3. Step 3: Cross multiply
    6,127.77x = 9,195.74 × 3,938.07
  4. Step 4: Simplify right side
    6,127.77x = 36,213,467.82
  5. Step 5: Solve for x
    x = 36,213,467.82/6,127.77
  6. Step 6: Final answer
    x = 5,909.73

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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.