Home / 5,427.54-8,143.62-2,309.64

Finding the Fourth Proportional to 5,427.54, 8,143.62 and 2,309.64

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Solution

The fourth proportional to 5,427.54, 8,143.62 and 2,309.64 is: 3,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.54 : 8,143.62 = 2,309.64 : x
  2. Step 2: Convert to fraction form
    5,427.54/8,143.62 = 2,309.64/x
  3. Step 3: Cross multiply
    5,427.54x = 8,143.62 × 2,309.64
  4. Step 4: Simplify right side
    5,427.54x = 18,808,830.50
  5. Step 5: Solve for x
    x = 18,808,830.50/5,427.54
  6. Step 6: Final answer
    x = 3,465.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.