Home / 7,453.40-11,178.54-2,258.84

Finding the Fourth Proportional to 7,453.40, 11,178.54 and 2,258.84

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Solution

The fourth proportional to 7,453.40, 11,178.54 and 2,258.84 is: 3,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.40 : 11,178.54 = 2,258.84 : x
  2. Step 2: Convert to fraction form
    7,453.40/11,178.54 = 2,258.84/x
  3. Step 3: Cross multiply
    7,453.40x = 11,178.54 × 2,258.84
  4. Step 4: Simplify right side
    7,453.40x = 25,250,533.29
  5. Step 5: Solve for x
    x = 25,250,533.29/7,453.40
  6. Step 6: Final answer
    x = 3,387.79

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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.