Home / 6,445.89-9,668.85-1,765.94

Finding the Fourth Proportional to 6,445.89, 9,668.85 and 1,765.94

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Solution

The fourth proportional to 6,445.89, 9,668.85 and 1,765.94 is: 2,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.89 : 9,668.85 = 1,765.94 : x
  2. Step 2: Convert to fraction form
    6,445.89/9,668.85 = 1,765.94/x
  3. Step 3: Cross multiply
    6,445.89x = 9,668.85 × 1,765.94
  4. Step 4: Simplify right side
    6,445.89x = 17,074,606.73
  5. Step 5: Solve for x
    x = 17,074,606.73/6,445.89
  6. Step 6: Final answer
    x = 2,648.91

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Double scale
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Similar ratio
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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.