Home / 5,912.30-8,866.63-2,015.80

Finding the Fourth Proportional to 5,912.30, 8,866.63 and 2,015.80

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Solution

The fourth proportional to 5,912.30, 8,866.63 and 2,015.80 is: 3,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.30 : 8,866.63 = 2,015.80 : x
  2. Step 2: Convert to fraction form
    5,912.30/8,866.63 = 2,015.80/x
  3. Step 3: Cross multiply
    5,912.30x = 8,866.63 × 2,015.80
  4. Step 4: Simplify right side
    5,912.30x = 17,873,352.75
  5. Step 5: Solve for x
    x = 17,873,352.75/5,912.30
  6. Step 6: Final answer
    x = 3,023.08

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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.