Home / 7,452.37-11,178.52-1,905.71

Finding the Fourth Proportional to 7,452.37, 11,178.52 and 1,905.71

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Solution

The fourth proportional to 7,452.37, 11,178.52 and 1,905.71 is: 2,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.37 : 11,178.52 = 1,905.71 : x
  2. Step 2: Convert to fraction form
    7,452.37/11,178.52 = 1,905.71/x
  3. Step 3: Cross multiply
    7,452.37x = 11,178.52 × 1,905.71
  4. Step 4: Simplify right side
    7,452.37x = 21,302,956.69
  5. Step 5: Solve for x
    x = 21,302,956.69/7,452.37
  6. Step 6: Final answer
    x = 2,858.55

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Similar ratio
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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.