Home / 5,376.82-8,068.34-2,256.55

Finding the Fourth Proportional to 5,376.82, 8,068.34 and 2,256.55

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Solution

The fourth proportional to 5,376.82, 8,068.34 and 2,256.55 is: 3,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.82 : 8,068.34 = 2,256.55 : x
  2. Step 2: Convert to fraction form
    5,376.82/8,068.34 = 2,256.55/x
  3. Step 3: Cross multiply
    5,376.82x = 8,068.34 × 2,256.55
  4. Step 4: Simplify right side
    5,376.82x = 18,206,612.63
  5. Step 5: Solve for x
    x = 18,206,612.63/5,376.82
  6. Step 6: Final answer
    x = 3,386.13

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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.