Home / 5,414.65-8,122.88-2,127.77

Finding the Fourth Proportional to 5,414.65, 8,122.88 and 2,127.77

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Solution

The fourth proportional to 5,414.65, 8,122.88 and 2,127.77 is: 3,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.65 : 8,122.88 = 2,127.77 : x
  2. Step 2: Convert to fraction form
    5,414.65/8,122.88 = 2,127.77/x
  3. Step 3: Cross multiply
    5,414.65x = 8,122.88 × 2,127.77
  4. Step 4: Simplify right side
    5,414.65x = 17,283,615.54
  5. Step 5: Solve for x
    x = 17,283,615.54/5,414.65
  6. Step 6: Final answer
    x = 3,192.01

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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.