Home / 8,264.78-11,405.40-4,487.94

Finding the Fourth Proportional to 8,264.78, 11,405.40 and 4,487.94

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Solution

The fourth proportional to 8,264.78, 11,405.40 and 4,487.94 is: 6,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.78 : 11,405.40 = 4,487.94 : x
  2. Step 2: Convert to fraction form
    8,264.78/11,405.40 = 4,487.94/x
  3. Step 3: Cross multiply
    8,264.78x = 11,405.40 × 4,487.94
  4. Step 4: Simplify right side
    8,264.78x = 51,186,750.88
  5. Step 5: Solve for x
    x = 51,186,750.88/8,264.78
  6. Step 6: Final answer
    x = 6,193.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.