Home / 9,278.94-13,918.23-2,258.85

Finding the Fourth Proportional to 9,278.94, 13,918.23 and 2,258.85

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Solution

The fourth proportional to 9,278.94, 13,918.23 and 2,258.85 is: 3,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.94 : 13,918.23 = 2,258.85 : x
  2. Step 2: Convert to fraction form
    9,278.94/13,918.23 = 2,258.85/x
  3. Step 3: Cross multiply
    9,278.94x = 13,918.23 × 2,258.85
  4. Step 4: Simplify right side
    9,278.94x = 31,439,193.84
  5. Step 5: Solve for x
    x = 31,439,193.84/9,278.94
  6. Step 6: Final answer
    x = 3,388.23

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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.