Home / 8,239.98-12,361.79-2,397.05

Finding the Fourth Proportional to 8,239.98, 12,361.79 and 2,397.05

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Solution

The fourth proportional to 8,239.98, 12,361.79 and 2,397.05 is: 3,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.98 : 12,361.79 = 2,397.05 : x
  2. Step 2: Convert to fraction form
    8,239.98/12,361.79 = 2,397.05/x
  3. Step 3: Cross multiply
    8,239.98x = 12,361.79 × 2,397.05
  4. Step 4: Simplify right side
    8,239.98x = 29,631,828.72
  5. Step 5: Solve for x
    x = 29,631,828.72/8,239.98
  6. Step 6: Final answer
    x = 3,596.10

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1.5x scale

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.