Home / 7,745.54-10,689.00-4,208.97

Finding the Fourth Proportional to 7,745.54, 10,689.00 and 4,208.97

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Solution

The fourth proportional to 7,745.54, 10,689.00 and 4,208.97 is: 5,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.54 : 10,689.00 = 4,208.97 : x
  2. Step 2: Convert to fraction form
    7,745.54/10,689.00 = 4,208.97/x
  3. Step 3: Cross multiply
    7,745.54x = 10,689.00 × 4,208.97
  4. Step 4: Simplify right side
    7,745.54x = 44,989,704.63
  5. Step 5: Solve for x
    x = 44,989,704.63/7,745.54
  6. Step 6: Final answer
    x = 5,808.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.