Home / 8,420.88-12,633.36-5,960.52

Finding the Fourth Proportional to 8,420.88, 12,633.36 and 5,960.52

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Solution

The fourth proportional to 8,420.88, 12,633.36 and 5,960.52 is: 8,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420.88 : 12,633.36 = 5,960.52 : x
  2. Step 2: Convert to fraction form
    8,420.88/12,633.36 = 5,960.52/x
  3. Step 3: Cross multiply
    8,420.88x = 12,633.36 × 5,960.52
  4. Step 4: Simplify right side
    8,420.88x = 75,301,394.95
  5. Step 5: Solve for x
    x = 75,301,394.95/8,420.88
  6. Step 6: Final answer
    x = 8,942.22

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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.