Home / 5,418.13-8,127.51-1,522.84

Finding the Fourth Proportional to 5,418.13, 8,127.51 and 1,522.84

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Solution

The fourth proportional to 5,418.13, 8,127.51 and 1,522.84 is: 2,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.13 : 8,127.51 = 1,522.84 : x
  2. Step 2: Convert to fraction form
    5,418.13/8,127.51 = 1,522.84/x
  3. Step 3: Cross multiply
    5,418.13x = 8,127.51 × 1,522.84
  4. Step 4: Simplify right side
    5,418.13x = 12,376,897.33
  5. Step 5: Solve for x
    x = 12,376,897.33/5,418.13
  6. Step 6: Final answer
    x = 2,284.35

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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.