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Finding the Fourth Proportional to 5,879.19, 8,804.80 and 3,242.64

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Solution

The fourth proportional to 5,879.19, 8,804.80 and 3,242.64 is: 4,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.19 : 8,804.80 = 3,242.64 : x
  2. Step 2: Convert to fraction form
    5,879.19/8,804.80 = 3,242.64/x
  3. Step 3: Cross multiply
    5,879.19x = 8,804.80 × 3,242.64
  4. Step 4: Simplify right side
    5,879.19x = 28,550,796.67
  5. Step 5: Solve for x
    x = 28,550,796.67/5,879.19
  6. Step 6: Final answer
    x = 4,856.25

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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.