Home / 4,722.52-7,084.63-1,947.64

Finding the Fourth Proportional to 4,722.52, 7,084.63 and 1,947.64

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Solution

The fourth proportional to 4,722.52, 7,084.63 and 1,947.64 is: 2,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.52 : 7,084.63 = 1,947.64 : x
  2. Step 2: Convert to fraction form
    4,722.52/7,084.63 = 1,947.64/x
  3. Step 3: Cross multiply
    4,722.52x = 7,084.63 × 1,947.64
  4. Step 4: Simplify right side
    4,722.52x = 13,798,308.77
  5. Step 5: Solve for x
    x = 13,798,308.77/4,722.52
  6. Step 6: Final answer
    x = 2,921.81

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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.