Home / 8,745.39-12,065.63-6,091.83

Finding the Fourth Proportional to 8,745.39, 12,065.63 and 6,091.83

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Solution

The fourth proportional to 8,745.39, 12,065.63 and 6,091.83 is: 8,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.39 : 12,065.63 = 6,091.83 : x
  2. Step 2: Convert to fraction form
    8,745.39/12,065.63 = 6,091.83/x
  3. Step 3: Cross multiply
    8,745.39x = 12,065.63 × 6,091.83
  4. Step 4: Simplify right side
    8,745.39x = 73,501,736.34
  5. Step 5: Solve for x
    x = 73,501,736.34/8,745.39
  6. Step 6: Final answer
    x = 8,404.63

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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.