Home / 5,541.21-7,647.21-3,183.71

Finding the Fourth Proportional to 5,541.21, 7,647.21 and 3,183.71

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Solution

The fourth proportional to 5,541.21, 7,647.21 and 3,183.71 is: 4,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.21 : 7,647.21 = 3,183.71 : x
  2. Step 2: Convert to fraction form
    5,541.21/7,647.21 = 3,183.71/x
  3. Step 3: Cross multiply
    5,541.21x = 7,647.21 × 3,183.71
  4. Step 4: Simplify right side
    5,541.21x = 24,346,460.71
  5. Step 5: Solve for x
    x = 24,346,460.71/5,541.21
  6. Step 6: Final answer
    x = 4,393.71

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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.