Home / 4,293.46-6,443.43-3,142.18

Finding the Fourth Proportional to 4,293.46, 6,443.43 and 3,142.18

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Solution

The fourth proportional to 4,293.46, 6,443.43 and 3,142.18 is: 4,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.46 : 6,443.43 = 3,142.18 : x
  2. Step 2: Convert to fraction form
    4,293.46/6,443.43 = 3,142.18/x
  3. Step 3: Cross multiply
    4,293.46x = 6,443.43 × 3,142.18
  4. Step 4: Simplify right side
    4,293.46x = 20,246,416.88
  5. Step 5: Solve for x
    x = 20,246,416.88/4,293.46
  6. Step 6: Final answer
    x = 4,715.64

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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.