Home / 6,779.30-9,354.97-3,754.20

Finding the Fourth Proportional to 6,779.30, 9,354.97 and 3,754.20

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Solution

The fourth proportional to 6,779.30, 9,354.97 and 3,754.20 is: 5,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.30 : 9,354.97 = 3,754.20 : x
  2. Step 2: Convert to fraction form
    6,779.30/9,354.97 = 3,754.20/x
  3. Step 3: Cross multiply
    6,779.30x = 9,354.97 × 3,754.20
  4. Step 4: Simplify right side
    6,779.30x = 35,120,362.83
  5. Step 5: Solve for x
    x = 35,120,362.83/6,779.30
  6. Step 6: Final answer
    x = 5,180.53

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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.