Home / 6,215.52-8,577.18-3,421.02

Finding the Fourth Proportional to 6,215.52, 8,577.18 and 3,421.02

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Solution

The fourth proportional to 6,215.52, 8,577.18 and 3,421.02 is: 4,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.52 : 8,577.18 = 3,421.02 : x
  2. Step 2: Convert to fraction form
    6,215.52/8,577.18 = 3,421.02/x
  3. Step 3: Cross multiply
    6,215.52x = 8,577.18 × 3,421.02
  4. Step 4: Simplify right side
    6,215.52x = 29,342,704.32
  5. Step 5: Solve for x
    x = 29,342,704.32/6,215.52
  6. Step 6: Final answer
    x = 4,720.88

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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.