Home / 9,779.62-14,670.29-2,759.69

Finding the Fourth Proportional to 9,779.62, 14,670.29 and 2,759.69

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Solution

The fourth proportional to 9,779.62, 14,670.29 and 2,759.69 is: 4,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.62 : 14,670.29 = 2,759.69 : x
  2. Step 2: Convert to fraction form
    9,779.62/14,670.29 = 2,759.69/x
  3. Step 3: Cross multiply
    9,779.62x = 14,670.29 × 2,759.69
  4. Step 4: Simplify right side
    9,779.62x = 40,485,489.29
  5. Step 5: Solve for x
    x = 40,485,489.29/9,779.62
  6. Step 6: Final answer
    x = 4,139.78

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1.5x scale

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.