Home / 8,310.81-12,463.51-2,762.66

Finding the Fourth Proportional to 8,310.81, 12,463.51 and 2,762.66

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Solution

The fourth proportional to 8,310.81, 12,463.51 and 2,762.66 is: 4,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.81 : 12,463.51 = 2,762.66 : x
  2. Step 2: Convert to fraction form
    8,310.81/12,463.51 = 2,762.66/x
  3. Step 3: Cross multiply
    8,310.81x = 12,463.51 × 2,762.66
  4. Step 4: Simplify right side
    8,310.81x = 34,432,378.22
  5. Step 5: Solve for x
    x = 34,432,378.22/8,310.81
  6. Step 6: Final answer
    x = 4,143.08

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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.