Home / 4,620.24-6,929.64-2,156.76

Finding the Fourth Proportional to 4,620.24, 6,929.64 and 2,156.76

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Solution

The fourth proportional to 4,620.24, 6,929.64 and 2,156.76 is: 3,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.24 : 6,929.64 = 2,156.76 : x
  2. Step 2: Convert to fraction form
    4,620.24/6,929.64 = 2,156.76/x
  3. Step 3: Cross multiply
    4,620.24x = 6,929.64 × 2,156.76
  4. Step 4: Simplify right side
    4,620.24x = 14,945,570.37
  5. Step 5: Solve for x
    x = 14,945,570.37/4,620.24
  6. Step 6: Final answer
    x = 3,234.80

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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.