Home / 7,622.70-10,507.69-5,497.26

Finding the Fourth Proportional to 7,622.70, 10,507.69 and 5,497.26

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Solution

The fourth proportional to 7,622.70, 10,507.69 and 5,497.26 is: 7,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.70 : 10,507.69 = 5,497.26 : x
  2. Step 2: Convert to fraction form
    7,622.70/10,507.69 = 5,497.26/x
  3. Step 3: Cross multiply
    7,622.70x = 10,507.69 × 5,497.26
  4. Step 4: Simplify right side
    7,622.70x = 57,763,503.93
  5. Step 5: Solve for x
    x = 57,763,503.93/7,622.70
  6. Step 6: Final answer
    x = 7,577.83

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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.