Home / 8,669.16-11,962.62-4,891.86

Finding the Fourth Proportional to 8,669.16, 11,962.62 and 4,891.86

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Solution

The fourth proportional to 8,669.16, 11,962.62 and 4,891.86 is: 6,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.16 : 11,962.62 = 4,891.86 : x
  2. Step 2: Convert to fraction form
    8,669.16/11,962.62 = 4,891.86/x
  3. Step 3: Cross multiply
    8,669.16x = 11,962.62 × 4,891.86
  4. Step 4: Simplify right side
    8,669.16x = 58,519,462.27
  5. Step 5: Solve for x
    x = 58,519,462.27/8,669.16
  6. Step 6: Final answer
    x = 6,750.30

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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.