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Finding the Fourth Proportional to 8,398.26, 12,598.76 and 2,553.50

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Solution

The fourth proportional to 8,398.26, 12,598.76 and 2,553.50 is: 3,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.26 : 12,598.76 = 2,553.50 : x
  2. Step 2: Convert to fraction form
    8,398.26/12,598.76 = 2,553.50/x
  3. Step 3: Cross multiply
    8,398.26x = 12,598.76 × 2,553.50
  4. Step 4: Simplify right side
    8,398.26x = 32,170,933.66
  5. Step 5: Solve for x
    x = 32,170,933.66/8,398.26
  6. Step 6: Final answer
    x = 3,830.67

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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.