Home / 4,742.94-7,115.52-1,622.98

Finding the Fourth Proportional to 4,742.94, 7,115.52 and 1,622.98

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Solution

The fourth proportional to 4,742.94, 7,115.52 and 1,622.98 is: 2,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.94 : 7,115.52 = 1,622.98 : x
  2. Step 2: Convert to fraction form
    4,742.94/7,115.52 = 1,622.98/x
  3. Step 3: Cross multiply
    4,742.94x = 7,115.52 × 1,622.98
  4. Step 4: Simplify right side
    4,742.94x = 11,548,311.07
  5. Step 5: Solve for x
    x = 11,548,311.07/4,742.94
  6. Step 6: Final answer
    x = 2,434.84

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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.