Home / 8,745.70-13,110.15-2,899.30

Finding the Fourth Proportional to 8,745.70, 13,110.15 and 2,899.30

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Solution

The fourth proportional to 8,745.70, 13,110.15 and 2,899.30 is: 4,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.70 : 13,110.15 = 2,899.30 : x
  2. Step 2: Convert to fraction form
    8,745.70/13,110.15 = 2,899.30/x
  3. Step 3: Cross multiply
    8,745.70x = 13,110.15 × 2,899.30
  4. Step 4: Simplify right side
    8,745.70x = 38,010,257.90
  5. Step 5: Solve for x
    x = 38,010,257.90/8,745.70
  6. Step 6: Final answer
    x = 4,346.17

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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.