Home / 7,917.81-11,877.28-2,370.71

Finding the Fourth Proportional to 7,917.81, 11,877.28 and 2,370.71

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Solution

The fourth proportional to 7,917.81, 11,877.28 and 2,370.71 is: 3,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.81 : 11,877.28 = 2,370.71 : x
  2. Step 2: Convert to fraction form
    7,917.81/11,877.28 = 2,370.71/x
  3. Step 3: Cross multiply
    7,917.81x = 11,877.28 × 2,370.71
  4. Step 4: Simplify right side
    7,917.81x = 28,157,521.16
  5. Step 5: Solve for x
    x = 28,157,521.16/7,917.81
  6. Step 6: Final answer
    x = 3,556.23

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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.