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Finding the Fourth Proportional to 8,365.95, 12,548.93 and 3,745.71

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Solution

The fourth proportional to 8,365.95, 12,548.93 and 3,745.71 is: 5,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.95 : 12,548.93 = 3,745.71 : x
  2. Step 2: Convert to fraction form
    8,365.95/12,548.93 = 3,745.71/x
  3. Step 3: Cross multiply
    8,365.95x = 12,548.93 × 3,745.71
  4. Step 4: Simplify right side
    8,365.95x = 47,004,652.59
  5. Step 5: Solve for x
    x = 47,004,652.59/8,365.95
  6. Step 6: Final answer
    x = 5,618.57

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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.