Home / 4,783.64-7,174.88-1,273.90

Finding the Fourth Proportional to 4,783.64, 7,174.88 and 1,273.90

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Solution

The fourth proportional to 4,783.64, 7,174.88 and 1,273.90 is: 1,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.64 : 7,174.88 = 1,273.90 : x
  2. Step 2: Convert to fraction form
    4,783.64/7,174.88 = 1,273.90/x
  3. Step 3: Cross multiply
    4,783.64x = 7,174.88 × 1,273.90
  4. Step 4: Simplify right side
    4,783.64x = 9,140,079.63
  5. Step 5: Solve for x
    x = 9,140,079.63/4,783.64
  6. Step 6: Final answer
    x = 1,910.70

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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.