Home / 4,225.57-6,339.87-2,143.99

Finding the Fourth Proportional to 4,225.57, 6,339.87 and 2,143.99

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Solution

The fourth proportional to 4,225.57, 6,339.87 and 2,143.99 is: 3,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.57 : 6,339.87 = 2,143.99 : x
  2. Step 2: Convert to fraction form
    4,225.57/6,339.87 = 2,143.99/x
  3. Step 3: Cross multiply
    4,225.57x = 6,339.87 × 2,143.99
  4. Step 4: Simplify right side
    4,225.57x = 13,592,617.88
  5. Step 5: Solve for x
    x = 13,592,617.88/4,225.57
  6. Step 6: Final answer
    x = 3,216.75

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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.