Home / 8,340.32-12,510.50-3,344.96

Finding the Fourth Proportional to 8,340.32, 12,510.50 and 3,344.96

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Solution

The fourth proportional to 8,340.32, 12,510.50 and 3,344.96 is: 5,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.32 : 12,510.50 = 3,344.96 : x
  2. Step 2: Convert to fraction form
    8,340.32/12,510.50 = 3,344.96/x
  3. Step 3: Cross multiply
    8,340.32x = 12,510.50 × 3,344.96
  4. Step 4: Simplify right side
    8,340.32x = 41,847,122.08
  5. Step 5: Solve for x
    x = 41,847,122.08/8,340.32
  6. Step 6: Final answer
    x = 5,017.45

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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.