Home / 8,242.61-12,365.96-3,317.76

Finding the Fourth Proportional to 8,242.61, 12,365.96 and 3,317.76

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Solution

The fourth proportional to 8,242.61, 12,365.96 and 3,317.76 is: 4,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.61 : 12,365.96 = 3,317.76 : x
  2. Step 2: Convert to fraction form
    8,242.61/12,365.96 = 3,317.76/x
  3. Step 3: Cross multiply
    8,242.61x = 12,365.96 × 3,317.76
  4. Step 4: Simplify right side
    8,242.61x = 41,027,270.86
  5. Step 5: Solve for x
    x = 41,027,270.86/8,242.61
  6. Step 6: Final answer
    x = 4,977.46

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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.