Home / 7,722.44-10,657-4,185.68

Finding the Fourth Proportional to 7,722.44, 10,657 and 4,185.68

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Solution

The fourth proportional to 7,722.44, 10,657 and 4,185.68 is: 5,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.44 : 10,657 = 4,185.68 : x
  2. Step 2: Convert to fraction form
    7,722.44/10,657 = 4,185.68/x
  3. Step 3: Cross multiply
    7,722.44x = 10,657 × 4,185.68
  4. Step 4: Simplify right side
    7,722.44x = 44,606,791.76
  5. Step 5: Solve for x
    x = 44,606,791.76/7,722.44
  6. Step 6: Final answer
    x = 5,776.26

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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.