Home / 5,419.92-7,479.44-2,935.92

Finding the Fourth Proportional to 5,419.92, 7,479.44 and 2,935.92

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Solution

The fourth proportional to 5,419.92, 7,479.44 and 2,935.92 is: 4,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.92 : 7,479.44 = 2,935.92 : x
  2. Step 2: Convert to fraction form
    5,419.92/7,479.44 = 2,935.92/x
  3. Step 3: Cross multiply
    5,419.92x = 7,479.44 × 2,935.92
  4. Step 4: Simplify right side
    5,419.92x = 21,959,037.48
  5. Step 5: Solve for x
    x = 21,959,037.48/5,419.92
  6. Step 6: Final answer
    x = 4,051.54

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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.