Home / 8,879.49-13,321.32-3,036.12

Finding the Fourth Proportional to 8,879.49, 13,321.32 and 3,036.12

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Solution

The fourth proportional to 8,879.49, 13,321.32 and 3,036.12 is: 4,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.49 : 13,321.32 = 3,036.12 : x
  2. Step 2: Convert to fraction form
    8,879.49/13,321.32 = 3,036.12/x
  3. Step 3: Cross multiply
    8,879.49x = 13,321.32 × 3,036.12
  4. Step 4: Simplify right side
    8,879.49x = 40,445,126.08
  5. Step 5: Solve for x
    x = 40,445,126.08/8,879.49
  6. Step 6: Final answer
    x = 4,554.89

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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.