Home / 5,521.48-7,620.44-3,426.28

Finding the Fourth Proportional to 5,521.48, 7,620.44 and 3,426.28

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Solution

The fourth proportional to 5,521.48, 7,620.44 and 3,426.28 is: 4,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.48 : 7,620.44 = 3,426.28 : x
  2. Step 2: Convert to fraction form
    5,521.48/7,620.44 = 3,426.28/x
  3. Step 3: Cross multiply
    5,521.48x = 7,620.44 × 3,426.28
  4. Step 4: Simplify right side
    5,521.48x = 26,109,761.16
  5. Step 5: Solve for x
    x = 26,109,761.16/5,521.48
  6. Step 6: Final answer
    x = 4,728.76

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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.