Home / 4,842.77-7,264.43-1,379.75

Finding the Fourth Proportional to 4,842.77, 7,264.43 and 1,379.75

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Solution

The fourth proportional to 4,842.77, 7,264.43 and 1,379.75 is: 2,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.77 : 7,264.43 = 1,379.75 : x
  2. Step 2: Convert to fraction form
    4,842.77/7,264.43 = 1,379.75/x
  3. Step 3: Cross multiply
    4,842.77x = 7,264.43 × 1,379.75
  4. Step 4: Simplify right side
    4,842.77x = 10,023,097.29
  5. Step 5: Solve for x
    x = 10,023,097.29/4,842.77
  6. Step 6: Final answer
    x = 2,069.70

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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.