Home / 7,221.61-10,825.12-2,837.35

Finding the Fourth Proportional to 7,221.61, 10,825.12 and 2,837.35

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Solution

The fourth proportional to 7,221.61, 10,825.12 and 2,837.35 is: 4,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.61 : 10,825.12 = 2,837.35 : x
  2. Step 2: Convert to fraction form
    7,221.61/10,825.12 = 2,837.35/x
  3. Step 3: Cross multiply
    7,221.61x = 10,825.12 × 2,837.35
  4. Step 4: Simplify right side
    7,221.61x = 30,714,654.23
  5. Step 5: Solve for x
    x = 30,714,654.23/7,221.61
  6. Step 6: Final answer
    x = 4,253.16

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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.