Home / 5,381.90-8,076.58-2,095.02

Finding the Fourth Proportional to 5,381.90, 8,076.58 and 2,095.02

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Solution

The fourth proportional to 5,381.90, 8,076.58 and 2,095.02 is: 3,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.90 : 8,076.58 = 2,095.02 : x
  2. Step 2: Convert to fraction form
    5,381.90/8,076.58 = 2,095.02/x
  3. Step 3: Cross multiply
    5,381.90x = 8,076.58 × 2,095.02
  4. Step 4: Simplify right side
    5,381.90x = 16,920,596.63
  5. Step 5: Solve for x
    x = 16,920,596.63/5,381.90
  6. Step 6: Final answer
    x = 3,143.98

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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.