Home / 8,973.50-12,382.26-4,994.78

Finding the Fourth Proportional to 8,973.50, 12,382.26 and 4,994.78

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Solution

The fourth proportional to 8,973.50, 12,382.26 and 4,994.78 is: 6,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.50 : 12,382.26 = 4,994.78 : x
  2. Step 2: Convert to fraction form
    8,973.50/12,382.26 = 4,994.78/x
  3. Step 3: Cross multiply
    8,973.50x = 12,382.26 × 4,994.78
  4. Step 4: Simplify right side
    8,973.50x = 61,846,664.60
  5. Step 5: Solve for x
    x = 61,846,664.60/8,973.50
  6. Step 6: Final answer
    x = 6,892.15

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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.