Home / 4,003.63-5,509.15-3,005.71

Finding the Fourth Proportional to 4,003.63, 5,509.15 and 3,005.71

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Solution

The fourth proportional to 4,003.63, 5,509.15 and 3,005.71 is: 4,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.63 : 5,509.15 = 3,005.71 : x
  2. Step 2: Convert to fraction form
    4,003.63/5,509.15 = 3,005.71/x
  3. Step 3: Cross multiply
    4,003.63x = 5,509.15 × 3,005.71
  4. Step 4: Simplify right side
    4,003.63x = 16,558,907.25
  5. Step 5: Solve for x
    x = 16,558,907.25/4,003.63
  6. Step 6: Final answer
    x = 4,135.97

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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.