Home / 6,418.19-9,623.55-3,127.97

Finding the Fourth Proportional to 6,418.19, 9,623.55 and 3,127.97

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Solution

The fourth proportional to 6,418.19, 9,623.55 and 3,127.97 is: 4,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.19 : 9,623.55 = 3,127.97 : x
  2. Step 2: Convert to fraction form
    6,418.19/9,623.55 = 3,127.97/x
  3. Step 3: Cross multiply
    6,418.19x = 9,623.55 × 3,127.97
  4. Step 4: Simplify right side
    6,418.19x = 30,102,175.69
  5. Step 5: Solve for x
    x = 30,102,175.69/6,418.19
  6. Step 6: Final answer
    x = 4,690.13

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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.