Home / 7,215.44-10,822.08-2,835.92

Finding the Fourth Proportional to 7,215.44, 10,822.08 and 2,835.92

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Solution

The fourth proportional to 7,215.44, 10,822.08 and 2,835.92 is: 4,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.44 : 10,822.08 = 2,835.92 : x
  2. Step 2: Convert to fraction form
    7,215.44/10,822.08 = 2,835.92/x
  3. Step 3: Cross multiply
    7,215.44x = 10,822.08 × 2,835.92
  4. Step 4: Simplify right side
    7,215.44x = 30,690,553.11
  5. Step 5: Solve for x
    x = 30,690,553.11/7,215.44
  6. Step 6: Final answer
    x = 4,253.46

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1.5x scale

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.