Home / 4,872.45-6,724.85-2,748.63

Finding the Fourth Proportional to 4,872.45, 6,724.85 and 2,748.63

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Solution

The fourth proportional to 4,872.45, 6,724.85 and 2,748.63 is: 3,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.45 : 6,724.85 = 2,748.63 : x
  2. Step 2: Convert to fraction form
    4,872.45/6,724.85 = 2,748.63/x
  3. Step 3: Cross multiply
    4,872.45x = 6,724.85 × 2,748.63
  4. Step 4: Simplify right side
    4,872.45x = 18,484,124.46
  5. Step 5: Solve for x
    x = 18,484,124.46/4,872.45
  6. Step 6: Final answer
    x = 3,793.60

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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.