Home / 8,156.16-12,239.71-2,962.03

Finding the Fourth Proportional to 8,156.16, 12,239.71 and 2,962.03

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Solution

The fourth proportional to 8,156.16, 12,239.71 and 2,962.03 is: 4,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.16 : 12,239.71 = 2,962.03 : x
  2. Step 2: Convert to fraction form
    8,156.16/12,239.71 = 2,962.03/x
  3. Step 3: Cross multiply
    8,156.16x = 12,239.71 × 2,962.03
  4. Step 4: Simplify right side
    8,156.16x = 36,254,388.21
  5. Step 5: Solve for x
    x = 36,254,388.21/8,156.16
  6. Step 6: Final answer
    x = 4,445.03

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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.