Home / 4,278.64-6,423.93-2,200.41

Finding the Fourth Proportional to 4,278.64, 6,423.93 and 2,200.41

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Solution

The fourth proportional to 4,278.64, 6,423.93 and 2,200.41 is: 3,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.64 : 6,423.93 = 2,200.41 : x
  2. Step 2: Convert to fraction form
    4,278.64/6,423.93 = 2,200.41/x
  3. Step 3: Cross multiply
    4,278.64x = 6,423.93 × 2,200.41
  4. Step 4: Simplify right side
    4,278.64x = 14,135,236.69
  5. Step 5: Solve for x
    x = 14,135,236.69/4,278.64
  6. Step 6: Final answer
    x = 3,303.68

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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.