Home / 5,826.30-8,739.80-1,665.99

Finding the Fourth Proportional to 5,826.30, 8,739.80 and 1,665.99

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Solution

The fourth proportional to 5,826.30, 8,739.80 and 1,665.99 is: 2,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.30 : 8,739.80 = 1,665.99 : x
  2. Step 2: Convert to fraction form
    5,826.30/8,739.80 = 1,665.99/x
  3. Step 3: Cross multiply
    5,826.30x = 8,739.80 × 1,665.99
  4. Step 4: Simplify right side
    5,826.30x = 14,560,419.40
  5. Step 5: Solve for x
    x = 14,560,419.40/5,826.30
  6. Step 6: Final answer
    x = 2,499.09

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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.