Home / 8,464.98-11,680.16-4,879.11

Finding the Fourth Proportional to 8,464.98, 11,680.16 and 4,879.11

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Solution

The fourth proportional to 8,464.98, 11,680.16 and 4,879.11 is: 6,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.98 : 11,680.16 = 4,879.11 : x
  2. Step 2: Convert to fraction form
    8,464.98/11,680.16 = 4,879.11/x
  3. Step 3: Cross multiply
    8,464.98x = 11,680.16 × 4,879.11
  4. Step 4: Simplify right side
    8,464.98x = 56,988,761.06
  5. Step 5: Solve for x
    x = 56,988,761.06/8,464.98
  6. Step 6: Final answer
    x = 6,732.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.