Home / 8,905.11-13,357.50-2,665.14

Finding the Fourth Proportional to 8,905.11, 13,357.50 and 2,665.14

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Solution

The fourth proportional to 8,905.11, 13,357.50 and 2,665.14 is: 3,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.11 : 13,357.50 = 2,665.14 : x
  2. Step 2: Convert to fraction form
    8,905.11/13,357.50 = 2,665.14/x
  3. Step 3: Cross multiply
    8,905.11x = 13,357.50 × 2,665.14
  4. Step 4: Simplify right side
    8,905.11x = 35,599,607.55
  5. Step 5: Solve for x
    x = 35,599,607.55/8,905.11
  6. Step 6: Final answer
    x = 3,997.66

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1.5x scale

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.