Home / 7,642.46-11,464.50-2,712.54

Finding the Fourth Proportional to 7,642.46, 11,464.50 and 2,712.54

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Solution

The fourth proportional to 7,642.46, 11,464.50 and 2,712.54 is: 4,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.46 : 11,464.50 = 2,712.54 : x
  2. Step 2: Convert to fraction form
    7,642.46/11,464.50 = 2,712.54/x
  3. Step 3: Cross multiply
    7,642.46x = 11,464.50 × 2,712.54
  4. Step 4: Simplify right side
    7,642.46x = 31,097,914.83
  5. Step 5: Solve for x
    x = 31,097,914.83/7,642.46
  6. Step 6: Final answer
    x = 4,069.10

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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.