Home / 6,269.88-8,653.41-3,618.12

Finding the Fourth Proportional to 6,269.88, 8,653.41 and 3,618.12

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Solution

The fourth proportional to 6,269.88, 8,653.41 and 3,618.12 is: 4,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.88 : 8,653.41 = 3,618.12 : x
  2. Step 2: Convert to fraction form
    6,269.88/8,653.41 = 3,618.12/x
  3. Step 3: Cross multiply
    6,269.88x = 8,653.41 × 3,618.12
  4. Step 4: Simplify right side
    6,269.88x = 31,309,075.79
  5. Step 5: Solve for x
    x = 31,309,075.79/6,269.88
  6. Step 6: Final answer
    x = 4,993.57

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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.