Home / 5,418.08-8,125.64-1,522.72

Finding the Fourth Proportional to 5,418.08, 8,125.64 and 1,522.72

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Solution

The fourth proportional to 5,418.08, 8,125.64 and 1,522.72 is: 2,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.08 : 8,125.64 = 1,522.72 : x
  2. Step 2: Convert to fraction form
    5,418.08/8,125.64 = 1,522.72/x
  3. Step 3: Cross multiply
    5,418.08x = 8,125.64 × 1,522.72
  4. Step 4: Simplify right side
    5,418.08x = 12,373,074.54
  5. Step 5: Solve for x
    x = 12,373,074.54/5,418.08
  6. Step 6: Final answer
    x = 2,283.66

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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.