Home / 5,263.81-7,894.62-1,976.83

Finding the Fourth Proportional to 5,263.81, 7,894.62 and 1,976.83

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Solution

The fourth proportional to 5,263.81, 7,894.62 and 1,976.83 is: 2,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.81 : 7,894.62 = 1,976.83 : x
  2. Step 2: Convert to fraction form
    5,263.81/7,894.62 = 1,976.83/x
  3. Step 3: Cross multiply
    5,263.81x = 7,894.62 × 1,976.83
  4. Step 4: Simplify right side
    5,263.81x = 15,606,282.18
  5. Step 5: Solve for x
    x = 15,606,282.18/5,263.81
  6. Step 6: Final answer
    x = 2,964.83

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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.