Home / 7,474.68-11,215.26-4,007.88

Finding the Fourth Proportional to 7,474.68, 11,215.26 and 4,007.88

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Solution

The fourth proportional to 7,474.68, 11,215.26 and 4,007.88 is: 6,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.68 : 11,215.26 = 4,007.88 : x
  2. Step 2: Convert to fraction form
    7,474.68/11,215.26 = 4,007.88/x
  3. Step 3: Cross multiply
    7,474.68x = 11,215.26 × 4,007.88
  4. Step 4: Simplify right side
    7,474.68x = 44,949,416.25
  5. Step 5: Solve for x
    x = 44,949,416.25/7,474.68
  6. Step 6: Final answer
    x = 6,013.56

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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.