Home / 6,530.96-9,794.37-2,147.40

Finding the Fourth Proportional to 6,530.96, 9,794.37 and 2,147.40

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Solution

The fourth proportional to 6,530.96, 9,794.37 and 2,147.40 is: 3,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.96 : 9,794.37 = 2,147.40 : x
  2. Step 2: Convert to fraction form
    6,530.96/9,794.37 = 2,147.40/x
  3. Step 3: Cross multiply
    6,530.96x = 9,794.37 × 2,147.40
  4. Step 4: Simplify right side
    6,530.96x = 21,032,430.14
  5. Step 5: Solve for x
    x = 21,032,430.14/6,530.96
  6. Step 6: Final answer
    x = 3,220.42

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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.