Home / 7,338.66-11,009.93-3,177.71

Finding the Fourth Proportional to 7,338.66, 11,009.93 and 3,177.71

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Solution

The fourth proportional to 7,338.66, 11,009.93 and 3,177.71 is: 4,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.66 : 11,009.93 = 3,177.71 : x
  2. Step 2: Convert to fraction form
    7,338.66/11,009.93 = 3,177.71/x
  3. Step 3: Cross multiply
    7,338.66x = 11,009.93 × 3,177.71
  4. Step 4: Simplify right side
    7,338.66x = 34,986,293.72
  5. Step 5: Solve for x
    x = 34,986,293.72/7,338.66
  6. Step 6: Final answer
    x = 4,767.40

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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.