Home / 8,083.35-12,130.65-3,153.02

Finding the Fourth Proportional to 8,083.35, 12,130.65 and 3,153.02

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Solution

The fourth proportional to 8,083.35, 12,130.65 and 3,153.02 is: 4,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.35 : 12,130.65 = 3,153.02 : x
  2. Step 2: Convert to fraction form
    8,083.35/12,130.65 = 3,153.02/x
  3. Step 3: Cross multiply
    8,083.35x = 12,130.65 × 3,153.02
  4. Step 4: Simplify right side
    8,083.35x = 38,248,121.41
  5. Step 5: Solve for x
    x = 38,248,121.41/8,083.35
  6. Step 6: Final answer
    x = 4,731.72

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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.