Home / 4,976.79-6,868.04-2,880.51

Finding the Fourth Proportional to 4,976.79, 6,868.04 and 2,880.51

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Solution

The fourth proportional to 4,976.79, 6,868.04 and 2,880.51 is: 3,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.79 : 6,868.04 = 2,880.51 : x
  2. Step 2: Convert to fraction form
    4,976.79/6,868.04 = 2,880.51/x
  3. Step 3: Cross multiply
    4,976.79x = 6,868.04 × 2,880.51
  4. Step 4: Simplify right side
    4,976.79x = 19,783,443.50
  5. Step 5: Solve for x
    x = 19,783,443.50/4,976.79
  6. Step 6: Final answer
    x = 3,975.14

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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.