Home / 4,619.88-6,371.88-3,005.16

Finding the Fourth Proportional to 4,619.88, 6,371.88 and 3,005.16

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Solution

The fourth proportional to 4,619.88, 6,371.88 and 3,005.16 is: 4,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.88 : 6,371.88 = 3,005.16 : x
  2. Step 2: Convert to fraction form
    4,619.88/6,371.88 = 3,005.16/x
  3. Step 3: Cross multiply
    4,619.88x = 6,371.88 × 3,005.16
  4. Step 4: Simplify right side
    4,619.88x = 19,148,518.90
  5. Step 5: Solve for x
    x = 19,148,518.90/4,619.88
  6. Step 6: Final answer
    x = 4,144.81

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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.