Home / 5,717.30-8,576.57-1,820.80

Finding the Fourth Proportional to 5,717.30, 8,576.57 and 1,820.80

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Solution

The fourth proportional to 5,717.30, 8,576.57 and 1,820.80 is: 2,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.30 : 8,576.57 = 1,820.80 : x
  2. Step 2: Convert to fraction form
    5,717.30/8,576.57 = 1,820.80/x
  3. Step 3: Cross multiply
    5,717.30x = 8,576.57 × 1,820.80
  4. Step 4: Simplify right side
    5,717.30x = 15,616,218.66
  5. Step 5: Solve for x
    x = 15,616,218.66/5,717.30
  6. Step 6: Final answer
    x = 2,731.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.