Home / 7,290.98-10,941.78-2,909.69

Finding the Fourth Proportional to 7,290.98, 10,941.78 and 2,909.69

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Solution

The fourth proportional to 7,290.98, 10,941.78 and 2,909.69 is: 4,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.98 : 10,941.78 = 2,909.69 : x
  2. Step 2: Convert to fraction form
    7,290.98/10,941.78 = 2,909.69/x
  3. Step 3: Cross multiply
    7,290.98x = 10,941.78 × 2,909.69
  4. Step 4: Simplify right side
    7,290.98x = 31,837,187.85
  5. Step 5: Solve for x
    x = 31,837,187.85/7,290.98
  6. Step 6: Final answer
    x = 4,366.65

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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.