Home / 8,051.49-11,111.74-4,515.38

Finding the Fourth Proportional to 8,051.49, 11,111.74 and 4,515.38

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Solution

The fourth proportional to 8,051.49, 11,111.74 and 4,515.38 is: 6,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.49 : 11,111.74 = 4,515.38 : x
  2. Step 2: Convert to fraction form
    8,051.49/11,111.74 = 4,515.38/x
  3. Step 3: Cross multiply
    8,051.49x = 11,111.74 × 4,515.38
  4. Step 4: Simplify right side
    8,051.49x = 50,173,703.38
  5. Step 5: Solve for x
    x = 50,173,703.38/8,051.49
  6. Step 6: Final answer
    x = 6,231.60

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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.