Home / 8,102.90-12,154.86-2,837.30

Finding the Fourth Proportional to 8,102.90, 12,154.86 and 2,837.30

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Solution

The fourth proportional to 8,102.90, 12,154.86 and 2,837.30 is: 4,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.90 : 12,154.86 = 2,837.30 : x
  2. Step 2: Convert to fraction form
    8,102.90/12,154.86 = 2,837.30/x
  3. Step 3: Cross multiply
    8,102.90x = 12,154.86 × 2,837.30
  4. Step 4: Simplify right side
    8,102.90x = 34,486,923.50
  5. Step 5: Solve for x
    x = 34,486,923.50/8,102.90
  6. Step 6: Final answer
    x = 4,256.12

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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.