Home / 8,127.84-12,193.48-2,580.44

Finding the Fourth Proportional to 8,127.84, 12,193.48 and 2,580.44

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Solution

The fourth proportional to 8,127.84, 12,193.48 and 2,580.44 is: 3,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.84 : 12,193.48 = 2,580.44 : x
  2. Step 2: Convert to fraction form
    8,127.84/12,193.48 = 2,580.44/x
  3. Step 3: Cross multiply
    8,127.84x = 12,193.48 × 2,580.44
  4. Step 4: Simplify right side
    8,127.84x = 31,464,543.53
  5. Step 5: Solve for x
    x = 31,464,543.53/8,127.84
  6. Step 6: Final answer
    x = 3,871.21

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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.