Home / 6,521.91-8,996.91-4,127.85

Finding the Fourth Proportional to 6,521.91, 8,996.91 and 4,127.85

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Solution

The fourth proportional to 6,521.91, 8,996.91 and 4,127.85 is: 5,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.91 : 8,996.91 = 4,127.85 : x
  2. Step 2: Convert to fraction form
    6,521.91/8,996.91 = 4,127.85/x
  3. Step 3: Cross multiply
    6,521.91x = 8,996.91 × 4,127.85
  4. Step 4: Simplify right side
    6,521.91x = 37,137,894.94
  5. Step 5: Solve for x
    x = 37,137,894.94/6,521.91
  6. Step 6: Final answer
    x = 5,694.33

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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.