Home / 8,241.73-12,365.76-3,312.79

Finding the Fourth Proportional to 8,241.73, 12,365.76 and 3,312.79

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Solution

The fourth proportional to 8,241.73, 12,365.76 and 3,312.79 is: 4,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.73 : 12,365.76 = 3,312.79 : x
  2. Step 2: Convert to fraction form
    8,241.73/12,365.76 = 3,312.79/x
  3. Step 3: Cross multiply
    8,241.73x = 12,365.76 × 3,312.79
  4. Step 4: Simplify right side
    8,241.73x = 40,965,166.07
  5. Step 5: Solve for x
    x = 40,965,166.07/8,241.73
  6. Step 6: Final answer
    x = 4,970.46

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1.5x scale

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.