Home / 9,578.87-13,217.81-5,329.25

Finding the Fourth Proportional to 9,578.87, 13,217.81 and 5,329.25

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Solution

The fourth proportional to 9,578.87, 13,217.81 and 5,329.25 is: 7,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.87 : 13,217.81 = 5,329.25 : x
  2. Step 2: Convert to fraction form
    9,578.87/13,217.81 = 5,329.25/x
  3. Step 3: Cross multiply
    9,578.87x = 13,217.81 × 5,329.25
  4. Step 4: Simplify right side
    9,578.87x = 70,440,921.21
  5. Step 5: Solve for x
    x = 70,440,921.21/9,578.87
  6. Step 6: Final answer
    x = 7,353.79

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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.