Home / 8,768.91-12,101.08-4,790.02

Finding the Fourth Proportional to 8,768.91, 12,101.08 and 4,790.02

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Solution

The fourth proportional to 8,768.91, 12,101.08 and 4,790.02 is: 6,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.91 : 12,101.08 = 4,790.02 : x
  2. Step 2: Convert to fraction form
    8,768.91/12,101.08 = 4,790.02/x
  3. Step 3: Cross multiply
    8,768.91x = 12,101.08 × 4,790.02
  4. Step 4: Simplify right side
    8,768.91x = 57,964,396.94
  5. Step 5: Solve for x
    x = 57,964,396.94/8,768.91
  6. Step 6: Final answer
    x = 6,610.22

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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.