Home / 4,971.38-6,857.80-3,082.32

Finding the Fourth Proportional to 4,971.38, 6,857.80 and 3,082.32

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Solution

The fourth proportional to 4,971.38, 6,857.80 and 3,082.32 is: 4,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.38 : 6,857.80 = 3,082.32 : x
  2. Step 2: Convert to fraction form
    4,971.38/6,857.80 = 3,082.32/x
  3. Step 3: Cross multiply
    4,971.38x = 6,857.80 × 3,082.32
  4. Step 4: Simplify right side
    4,971.38x = 21,137,926.39
  5. Step 5: Solve for x
    x = 21,137,926.39/4,971.38
  6. Step 6: Final answer
    x = 4,251.93

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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.