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Finding the Fourth Proportional to 25,211.41, 37,819.08 and 6,491.63

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Solution

The fourth proportional to 25,211.41, 37,819.08 and 6,491.63 is: 9,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.41 : 37,819.08 = 6,491.63 : x
  2. Step 2: Convert to fraction form
    25,211.41/37,819.08 = 6,491.63/x
  3. Step 3: Cross multiply
    25,211.41x = 37,819.08 × 6,491.63
  4. Step 4: Simplify right side
    25,211.41x = 245,507,568.85
  5. Step 5: Solve for x
    x = 245,507,568.85/25,211.41
  6. Step 6: Final answer
    x = 9,737.96

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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.