Home / 4,895.21-7,344.09-2,121.24

Finding the Fourth Proportional to 4,895.21, 7,344.09 and 2,121.24

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Solution

The fourth proportional to 4,895.21, 7,344.09 and 2,121.24 is: 3,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.21 : 7,344.09 = 2,121.24 : x
  2. Step 2: Convert to fraction form
    4,895.21/7,344.09 = 2,121.24/x
  3. Step 3: Cross multiply
    4,895.21x = 7,344.09 × 2,121.24
  4. Step 4: Simplify right side
    4,895.21x = 15,578,605.01
  5. Step 5: Solve for x
    x = 15,578,605.01/4,895.21
  6. Step 6: Final answer
    x = 3,182.42

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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.