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Finding the Fourth Proportional to 5,779.63, 8,664.18 and 2,080.99

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Solution

The fourth proportional to 5,779.63, 8,664.18 and 2,080.99 is: 3,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.63 : 8,664.18 = 2,080.99 : x
  2. Step 2: Convert to fraction form
    5,779.63/8,664.18 = 2,080.99/x
  3. Step 3: Cross multiply
    5,779.63x = 8,664.18 × 2,080.99
  4. Step 4: Simplify right side
    5,779.63x = 18,030,071.94
  5. Step 5: Solve for x
    x = 18,030,071.94/5,779.63
  6. Step 6: Final answer
    x = 3,119.59

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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.