Home / 8,130.62-12,193.44-2,935.28

Finding the Fourth Proportional to 8,130.62, 12,193.44 and 2,935.28

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Solution

The fourth proportional to 8,130.62, 12,193.44 and 2,935.28 is: 4,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.62 : 12,193.44 = 2,935.28 : x
  2. Step 2: Convert to fraction form
    8,130.62/12,193.44 = 2,935.28/x
  3. Step 3: Cross multiply
    8,130.62x = 12,193.44 × 2,935.28
  4. Step 4: Simplify right side
    8,130.62x = 35,791,160.56
  5. Step 5: Solve for x
    x = 35,791,160.56/8,130.62
  6. Step 6: Final answer
    x = 4,402.02

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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.