Home / 8,785.18-13,177.73-2,211.37

Finding the Fourth Proportional to 8,785.18, 13,177.73 and 2,211.37

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Solution

The fourth proportional to 8,785.18, 13,177.73 and 2,211.37 is: 3,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.18 : 13,177.73 = 2,211.37 : x
  2. Step 2: Convert to fraction form
    8,785.18/13,177.73 = 2,211.37/x
  3. Step 3: Cross multiply
    8,785.18x = 13,177.73 × 2,211.37
  4. Step 4: Simplify right side
    8,785.18x = 29,140,803.15
  5. Step 5: Solve for x
    x = 29,140,803.15/8,785.18
  6. Step 6: Final answer
    x = 3,317.04

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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.