Home / 9,579.75-13,219.78-5,330.59

Finding the Fourth Proportional to 9,579.75, 13,219.78 and 5,330.59

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Solution

The fourth proportional to 9,579.75, 13,219.78 and 5,330.59 is: 7,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.75 : 13,219.78 = 5,330.59 : x
  2. Step 2: Convert to fraction form
    9,579.75/13,219.78 = 5,330.59/x
  3. Step 3: Cross multiply
    9,579.75x = 13,219.78 × 5,330.59
  4. Step 4: Simplify right side
    9,579.75x = 70,469,227.07
  5. Step 5: Solve for x
    x = 70,469,227.07/9,579.75
  6. Step 6: Final answer
    x = 7,356.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.