Home / 8,950.62-13,422.74-3,402.50

Finding the Fourth Proportional to 8,950.62, 13,422.74 and 3,402.50

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Solution

The fourth proportional to 8,950.62, 13,422.74 and 3,402.50 is: 5,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.62 : 13,422.74 = 3,402.50 : x
  2. Step 2: Convert to fraction form
    8,950.62/13,422.74 = 3,402.50/x
  3. Step 3: Cross multiply
    8,950.62x = 13,422.74 × 3,402.50
  4. Step 4: Simplify right side
    8,950.62x = 45,670,788.72
  5. Step 5: Solve for x
    x = 45,670,788.72/8,950.62
  6. Step 6: Final answer
    x = 5,102.53

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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.