Home / 6,215.02-8,576.22-3,420.52

Finding the Fourth Proportional to 6,215.02, 8,576.22 and 3,420.52

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Solution

The fourth proportional to 6,215.02, 8,576.22 and 3,420.52 is: 4,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.02 : 8,576.22 = 3,420.52 : x
  2. Step 2: Convert to fraction form
    6,215.02/8,576.22 = 3,420.52/x
  3. Step 3: Cross multiply
    6,215.02x = 8,576.22 × 3,420.52
  4. Step 4: Simplify right side
    6,215.02x = 29,335,132.03
  5. Step 5: Solve for x
    x = 29,335,132.03/6,215.02
  6. Step 6: Final answer
    x = 4,720.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.