Home / 5,020.77-6,928.47-2,896.39

Finding the Fourth Proportional to 5,020.77, 6,928.47 and 2,896.39

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Solution

The fourth proportional to 5,020.77, 6,928.47 and 2,896.39 is: 3,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.77 : 6,928.47 = 2,896.39 : x
  2. Step 2: Convert to fraction form
    5,020.77/6,928.47 = 2,896.39/x
  3. Step 3: Cross multiply
    5,020.77x = 6,928.47 × 2,896.39
  4. Step 4: Simplify right side
    5,020.77x = 20,067,502.10
  5. Step 5: Solve for x
    x = 20,067,502.10/5,020.77
  6. Step 6: Final answer
    x = 3,996.90

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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.