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Finding the Fourth Proportional to 8,510.67, 12,733.83 and 7,647.39

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Solution

The fourth proportional to 8,510.67, 12,733.83 and 7,647.39 is: 11,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.67 : 12,733.83 = 7,647.39 : x
  2. Step 2: Convert to fraction form
    8,510.67/12,733.83 = 7,647.39/x
  3. Step 3: Cross multiply
    8,510.67x = 12,733.83 × 7,647.39
  4. Step 4: Simplify right side
    8,510.67x = 97,380,564.20
  5. Step 5: Solve for x
    x = 97,380,564.20/8,510.67
  6. Step 6: Final answer
    x = 11,442.17

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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.