Home / 8,716.31-12,025.84-4,938.87

Finding the Fourth Proportional to 8,716.31, 12,025.84 and 4,938.87

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Solution

The fourth proportional to 8,716.31, 12,025.84 and 4,938.87 is: 6,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.31 : 12,025.84 = 4,938.87 : x
  2. Step 2: Convert to fraction form
    8,716.31/12,025.84 = 4,938.87/x
  3. Step 3: Cross multiply
    8,716.31x = 12,025.84 × 4,938.87
  4. Step 4: Simplify right side
    8,716.31x = 59,394,060.40
  5. Step 5: Solve for x
    x = 59,394,060.40/8,716.31
  6. Step 6: Final answer
    x = 6,814.13

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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.