Home / 4,225.68-6,336.90-2,143.98

Finding the Fourth Proportional to 4,225.68, 6,336.90 and 2,143.98

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Solution

The fourth proportional to 4,225.68, 6,336.90 and 2,143.98 is: 3,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.68 : 6,336.90 = 2,143.98 : x
  2. Step 2: Convert to fraction form
    4,225.68/6,336.90 = 2,143.98/x
  3. Step 3: Cross multiply
    4,225.68x = 6,336.90 × 2,143.98
  4. Step 4: Simplify right side
    4,225.68x = 13,586,186.86
  5. Step 5: Solve for x
    x = 13,586,186.86/4,225.68
  6. Step 6: Final answer
    x = 3,215.15

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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.