Home / 7,219.32-10,829.28-2,288.84

Finding the Fourth Proportional to 7,219.32, 10,829.28 and 2,288.84

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Solution

The fourth proportional to 7,219.32, 10,829.28 and 2,288.84 is: 3,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.32 : 10,829.28 = 2,288.84 : x
  2. Step 2: Convert to fraction form
    7,219.32/10,829.28 = 2,288.84/x
  3. Step 3: Cross multiply
    7,219.32x = 10,829.28 × 2,288.84
  4. Step 4: Simplify right side
    7,219.32x = 24,786,489.24
  5. Step 5: Solve for x
    x = 24,786,489.24/7,219.32
  6. Step 6: Final answer
    x = 3,433.36

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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.