Home / 4,946.76-6,824.64-3,178.08

Finding the Fourth Proportional to 4,946.76, 6,824.64 and 3,178.08

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Solution

The fourth proportional to 4,946.76, 6,824.64 and 3,178.08 is: 4,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.76 : 6,824.64 = 3,178.08 : x
  2. Step 2: Convert to fraction form
    4,946.76/6,824.64 = 3,178.08/x
  3. Step 3: Cross multiply
    4,946.76x = 6,824.64 × 3,178.08
  4. Step 4: Simplify right side
    4,946.76x = 21,689,251.89
  5. Step 5: Solve for x
    x = 21,689,251.89/4,946.76
  6. Step 6: Final answer
    x = 4,384.54

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