Home / 9,215.72-13,823.67-2,290.22

Finding the Fourth Proportional to 9,215.72, 13,823.67 and 2,290.22

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Solution

The fourth proportional to 9,215.72, 13,823.67 and 2,290.22 is: 3,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.72 : 13,823.67 = 2,290.22 : x
  2. Step 2: Convert to fraction form
    9,215.72/13,823.67 = 2,290.22/x
  3. Step 3: Cross multiply
    9,215.72x = 13,823.67 × 2,290.22
  4. Step 4: Simplify right side
    9,215.72x = 31,659,236.82
  5. Step 5: Solve for x
    x = 31,659,236.82/9,215.72
  6. Step 6: Final answer
    x = 3,435.35

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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.