Home / 6,080.64-8,391.96-3,428.72

Finding the Fourth Proportional to 6,080.64, 8,391.96 and 3,428.72

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Solution

The fourth proportional to 6,080.64, 8,391.96 and 3,428.72 is: 4,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.64 : 8,391.96 = 3,428.72 : x
  2. Step 2: Convert to fraction form
    6,080.64/8,391.96 = 3,428.72/x
  3. Step 3: Cross multiply
    6,080.64x = 8,391.96 × 3,428.72
  4. Step 4: Simplify right side
    6,080.64x = 28,773,681.09
  5. Step 5: Solve for x
    x = 28,773,681.09/6,080.64
  6. Step 6: Final answer
    x = 4,732.02

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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.