Home / 4,942.35-6,822.93-3,820.76

Finding the Fourth Proportional to 4,942.35, 6,822.93 and 3,820.76

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Solution

The fourth proportional to 4,942.35, 6,822.93 and 3,820.76 is: 5,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.35 : 6,822.93 = 3,820.76 : x
  2. Step 2: Convert to fraction form
    4,942.35/6,822.93 = 3,820.76/x
  3. Step 3: Cross multiply
    4,942.35x = 6,822.93 × 3,820.76
  4. Step 4: Simplify right side
    4,942.35x = 26,068,724.81
  5. Step 5: Solve for x
    x = 26,068,724.81/4,942.35
  6. Step 6: Final answer
    x = 5,274.56

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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.