Home / 9,215.56-13,823.70-2,290.24

Finding the Fourth Proportional to 9,215.56, 13,823.70 and 2,290.24

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Solution

The fourth proportional to 9,215.56, 13,823.70 and 2,290.24 is: 3,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.56 : 13,823.70 = 2,290.24 : x
  2. Step 2: Convert to fraction form
    9,215.56/13,823.70 = 2,290.24/x
  3. Step 3: Cross multiply
    9,215.56x = 13,823.70 × 2,290.24
  4. Step 4: Simplify right side
    9,215.56x = 31,659,590.69
  5. Step 5: Solve for x
    x = 31,659,590.69/9,215.56
  6. Step 6: Final answer
    x = 3,435.45

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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.