Home / 8,879.29-13,315.47-3,329.60

Finding the Fourth Proportional to 8,879.29, 13,315.47 and 3,329.60

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Solution

The fourth proportional to 8,879.29, 13,315.47 and 3,329.60 is: 4,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.29 : 13,315.47 = 3,329.60 : x
  2. Step 2: Convert to fraction form
    8,879.29/13,315.47 = 3,329.60/x
  3. Step 3: Cross multiply
    8,879.29x = 13,315.47 × 3,329.60
  4. Step 4: Simplify right side
    8,879.29x = 44,335,188.91
  5. Step 5: Solve for x
    x = 44,335,188.91/8,879.29
  6. Step 6: Final answer
    x = 4,993.10

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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.