Home / 4,620.64-6,930.87-2,154.07

Finding the Fourth Proportional to 4,620.64, 6,930.87 and 2,154.07

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Solution

The fourth proportional to 4,620.64, 6,930.87 and 2,154.07 is: 3,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.64 : 6,930.87 = 2,154.07 : x
  2. Step 2: Convert to fraction form
    4,620.64/6,930.87 = 2,154.07/x
  3. Step 3: Cross multiply
    4,620.64x = 6,930.87 × 2,154.07
  4. Step 4: Simplify right side
    4,620.64x = 14,929,579.14
  5. Step 5: Solve for x
    x = 14,929,579.14/4,620.64
  6. Step 6: Final answer
    x = 3,231.06

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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.