Home / 9,215.85-13,823.13-2,290.35

Finding the Fourth Proportional to 9,215.85, 13,823.13 and 2,290.35

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Solution

The fourth proportional to 9,215.85, 13,823.13 and 2,290.35 is: 3,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.85 : 13,823.13 = 2,290.35 : x
  2. Step 2: Convert to fraction form
    9,215.85/13,823.13 = 2,290.35/x
  3. Step 3: Cross multiply
    9,215.85x = 13,823.13 × 2,290.35
  4. Step 4: Simplify right side
    9,215.85x = 31,659,805.80
  5. Step 5: Solve for x
    x = 31,659,805.80/9,215.85
  6. Step 6: Final answer
    x = 3,435.36

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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.