Home / 8,418.52-12,635.56-4,261.45

Finding the Fourth Proportional to 8,418.52, 12,635.56 and 4,261.45

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Solution

The fourth proportional to 8,418.52, 12,635.56 and 4,261.45 is: 6,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.52 : 12,635.56 = 4,261.45 : x
  2. Step 2: Convert to fraction form
    8,418.52/12,635.56 = 4,261.45/x
  3. Step 3: Cross multiply
    8,418.52x = 12,635.56 × 4,261.45
  4. Step 4: Simplify right side
    8,418.52x = 53,845,743.98
  5. Step 5: Solve for x
    x = 53,845,743.98/8,418.52
  6. Step 6: Final answer
    x = 6,396.11

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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.