Home / 8,945.79-13,424.83-3,102.40

Finding the Fourth Proportional to 8,945.79, 13,424.83 and 3,102.40

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Solution

The fourth proportional to 8,945.79, 13,424.83 and 3,102.40 is: 4,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.79 : 13,424.83 = 3,102.40 : x
  2. Step 2: Convert to fraction form
    8,945.79/13,424.83 = 3,102.40/x
  3. Step 3: Cross multiply
    8,945.79x = 13,424.83 × 3,102.40
  4. Step 4: Simplify right side
    8,945.79x = 41,649,192.59
  5. Step 5: Solve for x
    x = 41,649,192.59/8,945.79
  6. Step 6: Final answer
    x = 4,655.73

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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.