Home / 7,219.34-10,827.64-2,538.25

Finding the Fourth Proportional to 7,219.34, 10,827.64 and 2,538.25

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Solution

The fourth proportional to 7,219.34, 10,827.64 and 2,538.25 is: 3,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.34 : 10,827.64 = 2,538.25 : x
  2. Step 2: Convert to fraction form
    7,219.34/10,827.64 = 2,538.25/x
  3. Step 3: Cross multiply
    7,219.34x = 10,827.64 × 2,538.25
  4. Step 4: Simplify right side
    7,219.34x = 27,483,257.23
  5. Step 5: Solve for x
    x = 27,483,257.23/7,219.34
  6. Step 6: Final answer
    x = 3,806.89

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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.