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Finding the Fourth Proportional to 7,203.39, 10,804.97 and 4,393.05

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Solution

The fourth proportional to 7,203.39, 10,804.97 and 4,393.05 is: 6,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.39 : 10,804.97 = 4,393.05 : x
  2. Step 2: Convert to fraction form
    7,203.39/10,804.97 = 4,393.05/x
  3. Step 3: Cross multiply
    7,203.39x = 10,804.97 × 4,393.05
  4. Step 4: Simplify right side
    7,203.39x = 47,466,697.47
  5. Step 5: Solve for x
    x = 47,466,697.47/7,203.39
  6. Step 6: Final answer
    x = 6,589.50

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Half scale
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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.