Home / 8,764.26-13,148.61-2,920.98

Finding the Fourth Proportional to 8,764.26, 13,148.61 and 2,920.98

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Solution

The fourth proportional to 8,764.26, 13,148.61 and 2,920.98 is: 4,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.26 : 13,148.61 = 2,920.98 : x
  2. Step 2: Convert to fraction form
    8,764.26/13,148.61 = 2,920.98/x
  3. Step 3: Cross multiply
    8,764.26x = 13,148.61 × 2,920.98
  4. Step 4: Simplify right side
    8,764.26x = 38,406,826.84
  5. Step 5: Solve for x
    x = 38,406,826.84/8,764.26
  6. Step 6: Final answer
    x = 4,382.21

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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.