Home / 7,622.15-11,425.41-5,157.23

Finding the Fourth Proportional to 7,622.15, 11,425.41 and 5,157.23

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Solution

The fourth proportional to 7,622.15, 11,425.41 and 5,157.23 is: 7,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.15 : 11,425.41 = 5,157.23 : x
  2. Step 2: Convert to fraction form
    7,622.15/11,425.41 = 5,157.23/x
  3. Step 3: Cross multiply
    7,622.15x = 11,425.41 × 5,157.23
  4. Step 4: Simplify right side
    7,622.15x = 58,923,410.09
  5. Step 5: Solve for x
    x = 58,923,410.09/7,622.15
  6. Step 6: Final answer
    x = 7,730.55

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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.