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Finding the Fourth Proportional to 5,663.55, 8,495.33 and 1,965.79

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Solution

The fourth proportional to 5,663.55, 8,495.33 and 1,965.79 is: 2,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.55 : 8,495.33 = 1,965.79 : x
  2. Step 2: Convert to fraction form
    5,663.55/8,495.33 = 1,965.79/x
  3. Step 3: Cross multiply
    5,663.55x = 8,495.33 × 1,965.79
  4. Step 4: Simplify right side
    5,663.55x = 16,700,003.69
  5. Step 5: Solve for x
    x = 16,700,003.69/5,663.55
  6. Step 6: Final answer
    x = 2,948.68

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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.