Home / 8,645.45-12,935.35-5,350.37

Finding the Fourth Proportional to 8,645.45, 12,935.35 and 5,350.37

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Solution

The fourth proportional to 8,645.45, 12,935.35 and 5,350.37 is: 8,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.45 : 12,935.35 = 5,350.37 : x
  2. Step 2: Convert to fraction form
    8,645.45/12,935.35 = 5,350.37/x
  3. Step 3: Cross multiply
    8,645.45x = 12,935.35 × 5,350.37
  4. Step 4: Simplify right side
    8,645.45x = 69,208,850.59
  5. Step 5: Solve for x
    x = 69,208,850.59/8,645.45
  6. Step 6: Final answer
    x = 8,005.24

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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.