Home / 5,790.54-8,685.69-1,408.02

Finding the Fourth Proportional to 5,790.54, 8,685.69 and 1,408.02

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Solution

The fourth proportional to 5,790.54, 8,685.69 and 1,408.02 is: 2,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.54 : 8,685.69 = 1,408.02 : x
  2. Step 2: Convert to fraction form
    5,790.54/8,685.69 = 1,408.02/x
  3. Step 3: Cross multiply
    5,790.54x = 8,685.69 × 1,408.02
  4. Step 4: Simplify right side
    5,790.54x = 12,229,625.23
  5. Step 5: Solve for x
    x = 12,229,625.23/5,790.54
  6. Step 6: Final answer
    x = 2,112.00

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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.