Home / 6,155.85-9,236.87-2,869.20

Finding the Fourth Proportional to 6,155.85, 9,236.87 and 2,869.20

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Solution

The fourth proportional to 6,155.85, 9,236.87 and 2,869.20 is: 4,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.85 : 9,236.87 = 2,869.20 : x
  2. Step 2: Convert to fraction form
    6,155.85/9,236.87 = 2,869.20/x
  3. Step 3: Cross multiply
    6,155.85x = 9,236.87 × 2,869.20
  4. Step 4: Simplify right side
    6,155.85x = 26,502,413.06
  5. Step 5: Solve for x
    x = 26,502,413.06/6,155.85
  6. Step 6: Final answer
    x = 4,305.24

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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.