Home / 8,261.55-12,392.67-2,418.16

Finding the Fourth Proportional to 8,261.55, 12,392.67 and 2,418.16

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Solution

The fourth proportional to 8,261.55, 12,392.67 and 2,418.16 is: 3,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.55 : 12,392.67 = 2,418.16 : x
  2. Step 2: Convert to fraction form
    8,261.55/12,392.67 = 2,418.16/x
  3. Step 3: Cross multiply
    8,261.55x = 12,392.67 × 2,418.16
  4. Step 4: Simplify right side
    8,261.55x = 29,967,458.89
  5. Step 5: Solve for x
    x = 29,967,458.89/8,261.55
  6. Step 6: Final answer
    x = 3,627.34

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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.