Home / 4,723.11-7,084.67-1,761.57

Finding the Fourth Proportional to 4,723.11, 7,084.67 and 1,761.57

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Solution

The fourth proportional to 4,723.11, 7,084.67 and 1,761.57 is: 2,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.11 : 7,084.67 = 1,761.57 : x
  2. Step 2: Convert to fraction form
    4,723.11/7,084.67 = 1,761.57/x
  3. Step 3: Cross multiply
    4,723.11x = 7,084.67 × 1,761.57
  4. Step 4: Simplify right side
    4,723.11x = 12,480,133.32
  5. Step 5: Solve for x
    x = 12,480,133.32/4,723.11
  6. Step 6: Final answer
    x = 2,642.36

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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.