Home / 8,785.56-13,173.48-2,938.98

Finding the Fourth Proportional to 8,785.56, 13,173.48 and 2,938.98

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Solution

The fourth proportional to 8,785.56, 13,173.48 and 2,938.98 is: 4,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.56 : 13,173.48 = 2,938.98 : x
  2. Step 2: Convert to fraction form
    8,785.56/13,173.48 = 2,938.98/x
  3. Step 3: Cross multiply
    8,785.56x = 13,173.48 × 2,938.98
  4. Step 4: Simplify right side
    8,785.56x = 38,716,594.25
  5. Step 5: Solve for x
    x = 38,716,594.25/8,785.56
  6. Step 6: Final answer
    x = 4,406.84

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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.