Home / 6,076.40-8,384.78-3,423.28

Finding the Fourth Proportional to 6,076.40, 8,384.78 and 3,423.28

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Solution

The fourth proportional to 6,076.40, 8,384.78 and 3,423.28 is: 4,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.40 : 8,384.78 = 3,423.28 : x
  2. Step 2: Convert to fraction form
    6,076.40/8,384.78 = 3,423.28/x
  3. Step 3: Cross multiply
    6,076.40x = 8,384.78 × 3,423.28
  4. Step 4: Simplify right side
    6,076.40x = 28,703,449.68
  5. Step 5: Solve for x
    x = 28,703,449.68/6,076.40
  6. Step 6: Final answer
    x = 4,723.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.