Home / 4,376.81-6,038.09-2,782.61

Finding the Fourth Proportional to 4,376.81, 6,038.09 and 2,782.61

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Solution

The fourth proportional to 4,376.81, 6,038.09 and 2,782.61 is: 3,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.81 : 6,038.09 = 2,782.61 : x
  2. Step 2: Convert to fraction form
    4,376.81/6,038.09 = 2,782.61/x
  3. Step 3: Cross multiply
    4,376.81x = 6,038.09 × 2,782.61
  4. Step 4: Simplify right side
    4,376.81x = 16,801,638.59
  5. Step 5: Solve for x
    x = 16,801,638.59/4,376.81
  6. Step 6: Final answer
    x = 3,838.78

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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.