Home / 8,130.31-12,194.21-2,582.93

Finding the Fourth Proportional to 8,130.31, 12,194.21 and 2,582.93

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Solution

The fourth proportional to 8,130.31, 12,194.21 and 2,582.93 is: 3,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.31 : 12,194.21 = 2,582.93 : x
  2. Step 2: Convert to fraction form
    8,130.31/12,194.21 = 2,582.93/x
  3. Step 3: Cross multiply
    8,130.31x = 12,194.21 × 2,582.93
  4. Step 4: Simplify right side
    8,130.31x = 31,496,790.84
  5. Step 5: Solve for x
    x = 31,496,790.84/8,130.31
  6. Step 6: Final answer
    x = 3,874.00

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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.