Home / 5,422.69-7,484.68-3,066.20

Finding the Fourth Proportional to 5,422.69, 7,484.68 and 3,066.20

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Solution

The fourth proportional to 5,422.69, 7,484.68 and 3,066.20 is: 4,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.69 : 7,484.68 = 3,066.20 : x
  2. Step 2: Convert to fraction form
    5,422.69/7,484.68 = 3,066.20/x
  3. Step 3: Cross multiply
    5,422.69x = 7,484.68 × 3,066.20
  4. Step 4: Simplify right side
    5,422.69x = 22,949,480.73
  5. Step 5: Solve for x
    x = 22,949,480.73/5,422.69
  6. Step 6: Final answer
    x = 4,232.12

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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.