Home / 5,520.64-7,614.52-3,842.63

Finding the Fourth Proportional to 5,520.64, 7,614.52 and 3,842.63

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Solution

The fourth proportional to 5,520.64, 7,614.52 and 3,842.63 is: 5,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.64 : 7,614.52 = 3,842.63 : x
  2. Step 2: Convert to fraction form
    5,520.64/7,614.52 = 3,842.63/x
  3. Step 3: Cross multiply
    5,520.64x = 7,614.52 × 3,842.63
  4. Step 4: Simplify right side
    5,520.64x = 29,259,758.56
  5. Step 5: Solve for x
    x = 29,259,758.56/5,520.64
  6. Step 6: Final answer
    x = 5,300.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.