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Finding the Fourth Proportional to 8,665.83, 13,000.14 and 3,735.54

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Solution

The fourth proportional to 8,665.83, 13,000.14 and 3,735.54 is: 5,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.83 : 13,000.14 = 3,735.54 : x
  2. Step 2: Convert to fraction form
    8,665.83/13,000.14 = 3,735.54/x
  3. Step 3: Cross multiply
    8,665.83x = 13,000.14 × 3,735.54
  4. Step 4: Simplify right side
    8,665.83x = 48,562,542.98
  5. Step 5: Solve for x
    x = 48,562,542.98/8,665.83
  6. Step 6: Final answer
    x = 5,603.91

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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.