Home / 8,264.29-12,396.66-2,420.89

Finding the Fourth Proportional to 8,264.29, 12,396.66 and 2,420.89

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Solution

The fourth proportional to 8,264.29, 12,396.66 and 2,420.89 is: 3,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.29 : 12,396.66 = 2,420.89 : x
  2. Step 2: Convert to fraction form
    8,264.29/12,396.66 = 2,420.89/x
  3. Step 3: Cross multiply
    8,264.29x = 12,396.66 × 2,420.89
  4. Step 4: Simplify right side
    8,264.29x = 30,010,938.12
  5. Step 5: Solve for x
    x = 30,010,938.12/8,264.29
  6. Step 6: Final answer
    x = 3,631.40

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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.