Home / 4,686.26-7,021.15-4,177.79

Finding the Fourth Proportional to 4,686.26, 7,021.15 and 4,177.79

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Solution

The fourth proportional to 4,686.26, 7,021.15 and 4,177.79 is: 6,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.26 : 7,021.15 = 4,177.79 : x
  2. Step 2: Convert to fraction form
    4,686.26/7,021.15 = 4,177.79/x
  3. Step 3: Cross multiply
    4,686.26x = 7,021.15 × 4,177.79
  4. Step 4: Simplify right side
    4,686.26x = 29,332,844.71
  5. Step 5: Solve for x
    x = 29,332,844.71/4,686.26
  6. Step 6: Final answer
    x = 6,259.33

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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.