Home / 5,717.02-8,576.34-1,820.12

Finding the Fourth Proportional to 5,717.02, 8,576.34 and 1,820.12

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Solution

The fourth proportional to 5,717.02, 8,576.34 and 1,820.12 is: 2,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.02 : 8,576.34 = 1,820.12 : x
  2. Step 2: Convert to fraction form
    5,717.02/8,576.34 = 1,820.12/x
  3. Step 3: Cross multiply
    5,717.02x = 8,576.34 × 1,820.12
  4. Step 4: Simplify right side
    5,717.02x = 15,609,967.96
  5. Step 5: Solve for x
    x = 15,609,967.96/5,717.02
  6. Step 6: Final answer
    x = 2,730.44

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1.5x scale

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.