Home / 8,665.26-11,957.43-5,079.66

Finding the Fourth Proportional to 8,665.26, 11,957.43 and 5,079.66

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Solution

The fourth proportional to 8,665.26, 11,957.43 and 5,079.66 is: 7,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.26 : 11,957.43 = 5,079.66 : x
  2. Step 2: Convert to fraction form
    8,665.26/11,957.43 = 5,079.66/x
  3. Step 3: Cross multiply
    8,665.26x = 11,957.43 × 5,079.66
  4. Step 4: Simplify right side
    8,665.26x = 60,739,678.87
  5. Step 5: Solve for x
    x = 60,739,678.87/8,665.26
  6. Step 6: Final answer
    x = 7,009.56

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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.