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Finding the Fourth Proportional to 6,445.34, 9,668.31 and 1,765.25

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Solution

The fourth proportional to 6,445.34, 9,668.31 and 1,765.25 is: 2,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.34 : 9,668.31 = 1,765.25 : x
  2. Step 2: Convert to fraction form
    6,445.34/9,668.31 = 1,765.25/x
  3. Step 3: Cross multiply
    6,445.34x = 9,668.31 × 1,765.25
  4. Step 4: Simplify right side
    6,445.34x = 17,066,984.23
  5. Step 5: Solve for x
    x = 17,066,984.23/6,445.34
  6. Step 6: Final answer
    x = 2,647.96

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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.