Home / 8,923.31-13,386.83-2,683.78

Finding the Fourth Proportional to 8,923.31, 13,386.83 and 2,683.78

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Solution

The fourth proportional to 8,923.31, 13,386.83 and 2,683.78 is: 4,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.31 : 13,386.83 = 2,683.78 : x
  2. Step 2: Convert to fraction form
    8,923.31/13,386.83 = 2,683.78/x
  3. Step 3: Cross multiply
    8,923.31x = 13,386.83 × 2,683.78
  4. Step 4: Simplify right side
    8,923.31x = 35,927,279.86
  5. Step 5: Solve for x
    x = 35,927,279.86/8,923.31
  6. Step 6: Final answer
    x = 4,026.23

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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.