Home / 8,865.09-13,297.65-3,319.02

Finding the Fourth Proportional to 8,865.09, 13,297.65 and 3,319.02

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Solution

The fourth proportional to 8,865.09, 13,297.65 and 3,319.02 is: 4,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.09 : 13,297.65 = 3,319.02 : x
  2. Step 2: Convert to fraction form
    8,865.09/13,297.65 = 3,319.02/x
  3. Step 3: Cross multiply
    8,865.09x = 13,297.65 × 3,319.02
  4. Step 4: Simplify right side
    8,865.09x = 44,135,166.30
  5. Step 5: Solve for x
    x = 44,135,166.30/8,865.09
  6. Step 6: Final answer
    x = 4,978.54

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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.