Home / 8,340.10-12,510.38-2,792.41

Finding the Fourth Proportional to 8,340.10, 12,510.38 and 2,792.41

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Solution

The fourth proportional to 8,340.10, 12,510.38 and 2,792.41 is: 4,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.10 : 12,510.38 = 2,792.41 : x
  2. Step 2: Convert to fraction form
    8,340.10/12,510.38 = 2,792.41/x
  3. Step 3: Cross multiply
    8,340.10x = 12,510.38 × 2,792.41
  4. Step 4: Simplify right side
    8,340.10x = 34,934,110.22
  5. Step 5: Solve for x
    x = 34,934,110.22/8,340.10
  6. Step 6: Final answer
    x = 4,188.69

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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.