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Finding the Fourth Proportional to 5,749.66, 8,635.42 and 3,573.60

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Solution

The fourth proportional to 5,749.66, 8,635.42 and 3,573.60 is: 5,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.66 : 8,635.42 = 3,573.60 : x
  2. Step 2: Convert to fraction form
    5,749.66/8,635.42 = 3,573.60/x
  3. Step 3: Cross multiply
    5,749.66x = 8,635.42 × 3,573.60
  4. Step 4: Simplify right side
    5,749.66x = 30,859,536.91
  5. Step 5: Solve for x
    x = 30,859,536.91/5,749.66
  6. Step 6: Final answer
    x = 5,367.19

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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.