Home / 4,653.49-6,981.75-2,188.56

Finding the Fourth Proportional to 4,653.49, 6,981.75 and 2,188.56

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Solution

The fourth proportional to 4,653.49, 6,981.75 and 2,188.56 is: 3,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.49 : 6,981.75 = 2,188.56 : x
  2. Step 2: Convert to fraction form
    4,653.49/6,981.75 = 2,188.56/x
  3. Step 3: Cross multiply
    4,653.49x = 6,981.75 × 2,188.56
  4. Step 4: Simplify right side
    4,653.49x = 15,279,943.87
  5. Step 5: Solve for x
    x = 15,279,943.87/4,653.49
  6. Step 6: Final answer
    x = 3,283.55

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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.