Home / 6,779.28-9,355.67-3,754.79

Finding the Fourth Proportional to 6,779.28, 9,355.67 and 3,754.79

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Solution

The fourth proportional to 6,779.28, 9,355.67 and 3,754.79 is: 5,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.28 : 9,355.67 = 3,754.79 : x
  2. Step 2: Convert to fraction form
    6,779.28/9,355.67 = 3,754.79/x
  3. Step 3: Cross multiply
    6,779.28x = 9,355.67 × 3,754.79
  4. Step 4: Simplify right side
    6,779.28x = 35,128,576.16
  5. Step 5: Solve for x
    x = 35,128,576.16/6,779.28
  6. Step 6: Final answer
    x = 5,181.76

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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.