Home / 8,246.40-12,361.32-4,089.42

Finding the Fourth Proportional to 8,246.40, 12,361.32 and 4,089.42

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Solution

The fourth proportional to 8,246.40, 12,361.32 and 4,089.42 is: 6,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.40 : 12,361.32 = 4,089.42 : x
  2. Step 2: Convert to fraction form
    8,246.40/12,361.32 = 4,089.42/x
  3. Step 3: Cross multiply
    8,246.40x = 12,361.32 × 4,089.42
  4. Step 4: Simplify right side
    8,246.40x = 50,550,629.23
  5. Step 5: Solve for x
    x = 50,550,629.23/8,246.40
  6. Step 6: Final answer
    x = 6,130.02

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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.