Home / 4,623.69-6,939.72-2,159.94

Finding the Fourth Proportional to 4,623.69, 6,939.72 and 2,159.94

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Solution

The fourth proportional to 4,623.69, 6,939.72 and 2,159.94 is: 3,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.69 : 6,939.72 = 2,159.94 : x
  2. Step 2: Convert to fraction form
    4,623.69/6,939.72 = 2,159.94/x
  3. Step 3: Cross multiply
    4,623.69x = 6,939.72 × 2,159.94
  4. Step 4: Simplify right side
    4,623.69x = 14,989,378.82
  5. Step 5: Solve for x
    x = 14,989,378.82/4,623.69
  6. Step 6: Final answer
    x = 3,241.87

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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.