Home / 5,790.44-8,685.66-1,407.89

Finding the Fourth Proportional to 5,790.44, 8,685.66 and 1,407.89

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Solution

The fourth proportional to 5,790.44, 8,685.66 and 1,407.89 is: 2,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.44 : 8,685.66 = 1,407.89 : x
  2. Step 2: Convert to fraction form
    5,790.44/8,685.66 = 1,407.89/x
  3. Step 3: Cross multiply
    5,790.44x = 8,685.66 × 1,407.89
  4. Step 4: Simplify right side
    5,790.44x = 12,228,410.43
  5. Step 5: Solve for x
    x = 12,228,410.43/5,790.44
  6. Step 6: Final answer
    x = 2,111.83

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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.