Home / 8,810.73-13,195.81-5,103.76

Finding the Fourth Proportional to 8,810.73, 13,195.81 and 5,103.76

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Solution

The fourth proportional to 8,810.73, 13,195.81 and 5,103.76 is: 7,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.73 : 13,195.81 = 5,103.76 : x
  2. Step 2: Convert to fraction form
    8,810.73/13,195.81 = 5,103.76/x
  3. Step 3: Cross multiply
    8,810.73x = 13,195.81 × 5,103.76
  4. Step 4: Simplify right side
    8,810.73x = 67,348,247.25
  5. Step 5: Solve for x
    x = 67,348,247.25/8,810.73
  6. Step 6: Final answer
    x = 7,643.89

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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.