Home / 5,521.39-7,619.66-3,003.64

Finding the Fourth Proportional to 5,521.39, 7,619.66 and 3,003.64

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Solution

The fourth proportional to 5,521.39, 7,619.66 and 3,003.64 is: 4,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.39 : 7,619.66 = 3,003.64 : x
  2. Step 2: Convert to fraction form
    5,521.39/7,619.66 = 3,003.64/x
  3. Step 3: Cross multiply
    5,521.39x = 7,619.66 × 3,003.64
  4. Step 4: Simplify right side
    5,521.39x = 22,886,700.54
  5. Step 5: Solve for x
    x = 22,886,700.54/5,521.39
  6. Step 6: Final answer
    x = 4,145.10

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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.