Home / 4,276.85-6,406.91-3,812.45

Finding the Fourth Proportional to 4,276.85, 6,406.91 and 3,812.45

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Solution

The fourth proportional to 4,276.85, 6,406.91 and 3,812.45 is: 5,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.85 : 6,406.91 = 3,812.45 : x
  2. Step 2: Convert to fraction form
    4,276.85/6,406.91 = 3,812.45/x
  3. Step 3: Cross multiply
    4,276.85x = 6,406.91 × 3,812.45
  4. Step 4: Simplify right side
    4,276.85x = 24,426,004.97
  5. Step 5: Solve for x
    x = 24,426,004.97/4,276.85
  6. Step 6: Final answer
    x = 5,711.21

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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.