Home / 7,722.62-10,657.24-4,185.83

Finding the Fourth Proportional to 7,722.62, 10,657.24 and 4,185.83

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Solution

The fourth proportional to 7,722.62, 10,657.24 and 4,185.83 is: 5,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.62 : 10,657.24 = 4,185.83 : x
  2. Step 2: Convert to fraction form
    7,722.62/10,657.24 = 4,185.83/x
  3. Step 3: Cross multiply
    7,722.62x = 10,657.24 × 4,185.83
  4. Step 4: Simplify right side
    7,722.62x = 44,609,411.09
  5. Step 5: Solve for x
    x = 44,609,411.09/7,722.62
  6. Step 6: Final answer
    x = 5,776.46

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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.