Home / 8,361.18-12,543.26-3,434.36

Finding the Fourth Proportional to 8,361.18, 12,543.26 and 3,434.36

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Solution

The fourth proportional to 8,361.18, 12,543.26 and 3,434.36 is: 5,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.18 : 12,543.26 = 3,434.36 : x
  2. Step 2: Convert to fraction form
    8,361.18/12,543.26 = 3,434.36/x
  3. Step 3: Cross multiply
    8,361.18x = 12,543.26 × 3,434.36
  4. Step 4: Simplify right side
    8,361.18x = 43,077,990.53
  5. Step 5: Solve for x
    x = 43,077,990.53/8,361.18
  6. Step 6: Final answer
    x = 5,152.14

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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.