Home / 9,215.32-13,822.92-2,289.76

Finding the Fourth Proportional to 9,215.32, 13,822.92 and 2,289.76

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Solution

The fourth proportional to 9,215.32, 13,822.92 and 2,289.76 is: 3,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.32 : 13,822.92 = 2,289.76 : x
  2. Step 2: Convert to fraction form
    9,215.32/13,822.92 = 2,289.76/x
  3. Step 3: Cross multiply
    9,215.32x = 13,822.92 × 2,289.76
  4. Step 4: Simplify right side
    9,215.32x = 31,651,169.30
  5. Step 5: Solve for x
    x = 31,651,169.30/9,215.32
  6. Step 6: Final answer
    x = 3,434.63

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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.