Home / 5,986.89-8,980.40-1,826.84

Finding the Fourth Proportional to 5,986.89, 8,980.40 and 1,826.84

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Solution

The fourth proportional to 5,986.89, 8,980.40 and 1,826.84 is: 2,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.89 : 8,980.40 = 1,826.84 : x
  2. Step 2: Convert to fraction form
    5,986.89/8,980.40 = 1,826.84/x
  3. Step 3: Cross multiply
    5,986.89x = 8,980.40 × 1,826.84
  4. Step 4: Simplify right side
    5,986.89x = 16,405,699.90
  5. Step 5: Solve for x
    x = 16,405,699.90/5,986.89
  6. Step 6: Final answer
    x = 2,740.27

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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.