Home / 4,927.06-7,391.04-1,964.78

Finding the Fourth Proportional to 4,927.06, 7,391.04 and 1,964.78

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Solution

The fourth proportional to 4,927.06, 7,391.04 and 1,964.78 is: 2,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.06 : 7,391.04 = 1,964.78 : x
  2. Step 2: Convert to fraction form
    4,927.06/7,391.04 = 1,964.78/x
  3. Step 3: Cross multiply
    4,927.06x = 7,391.04 × 1,964.78
  4. Step 4: Simplify right side
    4,927.06x = 14,521,767.57
  5. Step 5: Solve for x
    x = 14,521,767.57/4,927.06
  6. Step 6: Final answer
    x = 2,947.35

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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.