Home / 4,842.16-7,264.50-1,379.68

Finding the Fourth Proportional to 4,842.16, 7,264.50 and 1,379.68

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Solution

The fourth proportional to 4,842.16, 7,264.50 and 1,379.68 is: 2,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.16 : 7,264.50 = 1,379.68 : x
  2. Step 2: Convert to fraction form
    4,842.16/7,264.50 = 1,379.68/x
  3. Step 3: Cross multiply
    4,842.16x = 7,264.50 × 1,379.68
  4. Step 4: Simplify right side
    4,842.16x = 10,022,685.36
  5. Step 5: Solve for x
    x = 10,022,685.36/4,842.16
  6. Step 6: Final answer
    x = 2,069.88

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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.