Home / 7,474.81-11,213.70-2,543.14

Finding the Fourth Proportional to 7,474.81, 11,213.70 and 2,543.14

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Solution

The fourth proportional to 7,474.81, 11,213.70 and 2,543.14 is: 3,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.81 : 11,213.70 = 2,543.14 : x
  2. Step 2: Convert to fraction form
    7,474.81/11,213.70 = 2,543.14/x
  3. Step 3: Cross multiply
    7,474.81x = 11,213.70 × 2,543.14
  4. Step 4: Simplify right side
    7,474.81x = 28,518,009.02
  5. Step 5: Solve for x
    x = 28,518,009.02/7,474.81
  6. Step 6: Final answer
    x = 3,815.22

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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.