Home / 7,696.82-10,621.57-4,160.02

Finding the Fourth Proportional to 7,696.82, 10,621.57 and 4,160.02

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Solution

The fourth proportional to 7,696.82, 10,621.57 and 4,160.02 is: 5,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.82 : 10,621.57 = 4,160.02 : x
  2. Step 2: Convert to fraction form
    7,696.82/10,621.57 = 4,160.02/x
  3. Step 3: Cross multiply
    7,696.82x = 10,621.57 × 4,160.02
  4. Step 4: Simplify right side
    7,696.82x = 44,185,943.63
  5. Step 5: Solve for x
    x = 44,185,943.63/7,696.82
  6. Step 6: Final answer
    x = 5,740.81

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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.