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Finding the Fourth Proportional to 8,804.70, 13,208.13 and 2,879.55

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Solution

The fourth proportional to 8,804.70, 13,208.13 and 2,879.55 is: 4,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.70 : 13,208.13 = 2,879.55 : x
  2. Step 2: Convert to fraction form
    8,804.70/13,208.13 = 2,879.55/x
  3. Step 3: Cross multiply
    8,804.70x = 13,208.13 × 2,879.55
  4. Step 4: Simplify right side
    8,804.70x = 38,033,470.74
  5. Step 5: Solve for x
    x = 38,033,470.74/8,804.70
  6. Step 6: Final answer
    x = 4,319.68

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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.