Home / 5,728.70-7,903.30-3,338.28

Finding the Fourth Proportional to 5,728.70, 7,903.30 and 3,338.28

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Solution

The fourth proportional to 5,728.70, 7,903.30 and 3,338.28 is: 4,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.70 : 7,903.30 = 3,338.28 : x
  2. Step 2: Convert to fraction form
    5,728.70/7,903.30 = 3,338.28/x
  3. Step 3: Cross multiply
    5,728.70x = 7,903.30 × 3,338.28
  4. Step 4: Simplify right side
    5,728.70x = 26,383,428.32
  5. Step 5: Solve for x
    x = 26,383,428.32/5,728.70
  6. Step 6: Final answer
    x = 4,605.48

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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.