Home / 6,790.89-9,372.74-4,428.93

Finding the Fourth Proportional to 6,790.89, 9,372.74 and 4,428.93

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Solution

The fourth proportional to 6,790.89, 9,372.74 and 4,428.93 is: 6,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.89 : 9,372.74 = 4,428.93 : x
  2. Step 2: Convert to fraction form
    6,790.89/9,372.74 = 4,428.93/x
  3. Step 3: Cross multiply
    6,790.89x = 9,372.74 × 4,428.93
  4. Step 4: Simplify right side
    6,790.89x = 41,511,182.11
  5. Step 5: Solve for x
    x = 41,511,182.11/6,790.89
  6. Step 6: Final answer
    x = 6,112.78

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1.5x scale

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.