Home / 4,789.72-7,184.58-2,845.72

Finding the Fourth Proportional to 4,789.72, 7,184.58 and 2,845.72

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Solution

The fourth proportional to 4,789.72, 7,184.58 and 2,845.72 is: 4,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.72 : 7,184.58 = 2,845.72 : x
  2. Step 2: Convert to fraction form
    4,789.72/7,184.58 = 2,845.72/x
  3. Step 3: Cross multiply
    4,789.72x = 7,184.58 × 2,845.72
  4. Step 4: Simplify right side
    4,789.72x = 20,445,303.00
  5. Step 5: Solve for x
    x = 20,445,303.00/4,789.72
  6. Step 6: Final answer
    x = 4,268.58

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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.