Home / 7,215.28-10,822.95-2,288.38

Finding the Fourth Proportional to 7,215.28, 10,822.95 and 2,288.38

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Solution

The fourth proportional to 7,215.28, 10,822.95 and 2,288.38 is: 3,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.28 : 10,822.95 = 2,288.38 : x
  2. Step 2: Convert to fraction form
    7,215.28/10,822.95 = 2,288.38/x
  3. Step 3: Cross multiply
    7,215.28x = 10,822.95 × 2,288.38
  4. Step 4: Simplify right side
    7,215.28x = 24,767,022.32
  5. Step 5: Solve for x
    x = 24,767,022.32/7,215.28
  6. Step 6: Final answer
    x = 3,432.58

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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.