Home / 4,637.20-6,938.72-2,789.44

Finding the Fourth Proportional to 4,637.20, 6,938.72 and 2,789.44

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Solution

The fourth proportional to 4,637.20, 6,938.72 and 2,789.44 is: 4,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.20 : 6,938.72 = 2,789.44 : x
  2. Step 2: Convert to fraction form
    4,637.20/6,938.72 = 2,789.44/x
  3. Step 3: Cross multiply
    4,637.20x = 6,938.72 × 2,789.44
  4. Step 4: Simplify right side
    4,637.20x = 19,355,143.12
  5. Step 5: Solve for x
    x = 19,355,143.12/4,637.20
  6. Step 6: Final answer
    x = 4,173.89

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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.