Home / 7,290.87-10,941.61-2,909.58

Finding the Fourth Proportional to 7,290.87, 10,941.61 and 2,909.58

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Solution

The fourth proportional to 7,290.87, 10,941.61 and 2,909.58 is: 4,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.87 : 10,941.61 = 2,909.58 : x
  2. Step 2: Convert to fraction form
    7,290.87/10,941.61 = 2,909.58/x
  3. Step 3: Cross multiply
    7,290.87x = 10,941.61 × 2,909.58
  4. Step 4: Simplify right side
    7,290.87x = 31,835,489.62
  5. Step 5: Solve for x
    x = 31,835,489.62/7,290.87
  6. Step 6: Final answer
    x = 4,366.49

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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.