Home / 5,418.24-8,127.36-1,522.32

Finding the Fourth Proportional to 5,418.24, 8,127.36 and 1,522.32

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Solution

The fourth proportional to 5,418.24, 8,127.36 and 1,522.32 is: 2,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.24 : 8,127.36 = 1,522.32 : x
  2. Step 2: Convert to fraction form
    5,418.24/8,127.36 = 1,522.32/x
  3. Step 3: Cross multiply
    5,418.24x = 8,127.36 × 1,522.32
  4. Step 4: Simplify right side
    5,418.24x = 12,372,442.68
  5. Step 5: Solve for x
    x = 12,372,442.68/5,418.24
  6. Step 6: Final answer
    x = 2,283.48

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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.