Home / 9,278.87-13,918.10-2,258.92

Finding the Fourth Proportional to 9,278.87, 13,918.10 and 2,258.92

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Solution

The fourth proportional to 9,278.87, 13,918.10 and 2,258.92 is: 3,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.87 : 13,918.10 = 2,258.92 : x
  2. Step 2: Convert to fraction form
    9,278.87/13,918.10 = 2,258.92/x
  3. Step 3: Cross multiply
    9,278.87x = 13,918.10 × 2,258.92
  4. Step 4: Simplify right side
    9,278.87x = 31,439,845.30
  5. Step 5: Solve for x
    x = 31,439,845.30/9,278.87
  6. Step 6: Final answer
    x = 3,388.33

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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.