Home / 8,905.70-13,359.36-3,062.36

Finding the Fourth Proportional to 8,905.70, 13,359.36 and 3,062.36

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Solution

The fourth proportional to 8,905.70, 13,359.36 and 3,062.36 is: 4,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.70 : 13,359.36 = 3,062.36 : x
  2. Step 2: Convert to fraction form
    8,905.70/13,359.36 = 3,062.36/x
  3. Step 3: Cross multiply
    8,905.70x = 13,359.36 × 3,062.36
  4. Step 4: Simplify right side
    8,905.70x = 40,911,169.69
  5. Step 5: Solve for x
    x = 40,911,169.69/8,905.70
  6. Step 6: Final answer
    x = 4,593.82

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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.