Home / 7,368.06-11,051.74-1,821.39

Finding the Fourth Proportional to 7,368.06, 11,051.74 and 1,821.39

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Solution

The fourth proportional to 7,368.06, 11,051.74 and 1,821.39 is: 2,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.06 : 11,051.74 = 1,821.39 : x
  2. Step 2: Convert to fraction form
    7,368.06/11,051.74 = 1,821.39/x
  3. Step 3: Cross multiply
    7,368.06x = 11,051.74 × 1,821.39
  4. Step 4: Simplify right side
    7,368.06x = 20,129,489.55
  5. Step 5: Solve for x
    x = 20,129,489.55/7,368.06
  6. Step 6: Final answer
    x = 2,731.99

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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.