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Finding the Fourth Proportional to 5,601.40, 8,402.10 and 5,504.20

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Solution

The fourth proportional to 5,601.40, 8,402.10 and 5,504.20 is: 8,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.40 : 8,402.10 = 5,504.20 : x
  2. Step 2: Convert to fraction form
    5,601.40/8,402.10 = 5,504.20/x
  3. Step 3: Cross multiply
    5,601.40x = 8,402.10 × 5,504.20
  4. Step 4: Simplify right side
    5,601.40x = 46,246,838.82
  5. Step 5: Solve for x
    x = 46,246,838.82/5,601.40
  6. Step 6: Final answer
    x = 8,256.30

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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.