Home / 8,674.52-13,014.32-3,127.76

Finding the Fourth Proportional to 8,674.52, 13,014.32 and 3,127.76

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Solution

The fourth proportional to 8,674.52, 13,014.32 and 3,127.76 is: 4,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.52 : 13,014.32 = 3,127.76 : x
  2. Step 2: Convert to fraction form
    8,674.52/13,014.32 = 3,127.76/x
  3. Step 3: Cross multiply
    8,674.52x = 13,014.32 × 3,127.76
  4. Step 4: Simplify right side
    8,674.52x = 40,705,669.52
  5. Step 5: Solve for x
    x = 40,705,669.52/8,674.52
  6. Step 6: Final answer
    x = 4,692.56

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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.