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Finding the Fourth Proportional to 6,293.82, 9,442.50 and 1,911.30

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Solution

The fourth proportional to 6,293.82, 9,442.50 and 1,911.30 is: 2,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.82 : 9,442.50 = 1,911.30 : x
  2. Step 2: Convert to fraction form
    6,293.82/9,442.50 = 1,911.30/x
  3. Step 3: Cross multiply
    6,293.82x = 9,442.50 × 1,911.30
  4. Step 4: Simplify right side
    6,293.82x = 18,047,450.25
  5. Step 5: Solve for x
    x = 18,047,450.25/6,293.82
  6. Step 6: Final answer
    x = 2,867.49

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1.5x scale

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.