Home / 4,739.64-7,110.56-2,142.56

Finding the Fourth Proportional to 4,739.64, 7,110.56 and 2,142.56

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Solution

The fourth proportional to 4,739.64, 7,110.56 and 2,142.56 is: 3,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.64 : 7,110.56 = 2,142.56 : x
  2. Step 2: Convert to fraction form
    4,739.64/7,110.56 = 2,142.56/x
  3. Step 3: Cross multiply
    4,739.64x = 7,110.56 × 2,142.56
  4. Step 4: Simplify right side
    4,739.64x = 15,234,801.43
  5. Step 5: Solve for x
    x = 15,234,801.43/4,739.64
  6. Step 6: Final answer
    x = 3,214.34

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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.