Home / 7,696.64-10,621.44-4,159.92

Finding the Fourth Proportional to 7,696.64, 10,621.44 and 4,159.92

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Solution

The fourth proportional to 7,696.64, 10,621.44 and 4,159.92 is: 5,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.64 : 10,621.44 = 4,159.92 : x
  2. Step 2: Convert to fraction form
    7,696.64/10,621.44 = 4,159.92/x
  3. Step 3: Cross multiply
    7,696.64x = 10,621.44 × 4,159.92
  4. Step 4: Simplify right side
    7,696.64x = 44,184,340.68
  5. Step 5: Solve for x
    x = 44,184,340.68/7,696.64
  6. Step 6: Final answer
    x = 5,740.73

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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.