Home / 4,625.12-6,384-2,636.75

Finding the Fourth Proportional to 4,625.12, 6,384 and 2,636.75

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Solution

The fourth proportional to 4,625.12, 6,384 and 2,636.75 is: 3,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.12 : 6,384 = 2,636.75 : x
  2. Step 2: Convert to fraction form
    4,625.12/6,384 = 2,636.75/x
  3. Step 3: Cross multiply
    4,625.12x = 6,384 × 2,636.75
  4. Step 4: Simplify right side
    4,625.12x = 16,833,012
  5. Step 5: Solve for x
    x = 16,833,012/4,625.12
  6. Step 6: Final answer
    x = 3,639.48

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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.