Home / 4,276-5,905.74-2,876.32

Finding the Fourth Proportional to 4,276, 5,905.74 and 2,876.32

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Solution

The fourth proportional to 4,276, 5,905.74 and 2,876.32 is: 3,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276 : 5,905.74 = 2,876.32 : x
  2. Step 2: Convert to fraction form
    4,276/5,905.74 = 2,876.32/x
  3. Step 3: Cross multiply
    4,276x = 5,905.74 × 2,876.32
  4. Step 4: Simplify right side
    4,276x = 16,986,798.08
  5. Step 5: Solve for x
    x = 16,986,798.08/4,276
  6. Step 6: Final answer
    x = 3,972.59

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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.