Home / 7,474.26-11,212.62-2,543.40

Finding the Fourth Proportional to 7,474.26, 11,212.62 and 2,543.40

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Solution

The fourth proportional to 7,474.26, 11,212.62 and 2,543.40 is: 3,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.26 : 11,212.62 = 2,543.40 : x
  2. Step 2: Convert to fraction form
    7,474.26/11,212.62 = 2,543.40/x
  3. Step 3: Cross multiply
    7,474.26x = 11,212.62 × 2,543.40
  4. Step 4: Simplify right side
    7,474.26x = 28,518,177.71
  5. Step 5: Solve for x
    x = 28,518,177.71/7,474.26
  6. Step 6: Final answer
    x = 3,815.52

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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.