Home / 5,305.71-7,960.77-2,675.64

Finding the Fourth Proportional to 5,305.71, 7,960.77 and 2,675.64

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Solution

The fourth proportional to 5,305.71, 7,960.77 and 2,675.64 is: 4,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.71 : 7,960.77 = 2,675.64 : x
  2. Step 2: Convert to fraction form
    5,305.71/7,960.77 = 2,675.64/x
  3. Step 3: Cross multiply
    5,305.71x = 7,960.77 × 2,675.64
  4. Step 4: Simplify right side
    5,305.71x = 21,300,154.64
  5. Step 5: Solve for x
    x = 21,300,154.64/5,305.71
  6. Step 6: Final answer
    x = 4,014.57

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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.