Home / 5,986.13-8,980.65-1,826.21

Finding the Fourth Proportional to 5,986.13, 8,980.65 and 1,826.21

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Solution

The fourth proportional to 5,986.13, 8,980.65 and 1,826.21 is: 2,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.13 : 8,980.65 = 1,826.21 : x
  2. Step 2: Convert to fraction form
    5,986.13/8,980.65 = 1,826.21/x
  3. Step 3: Cross multiply
    5,986.13x = 8,980.65 × 1,826.21
  4. Step 4: Simplify right side
    5,986.13x = 16,400,552.84
  5. Step 5: Solve for x
    x = 16,400,552.84/5,986.13
  6. Step 6: Final answer
    x = 2,739.76

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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.