Home / 6,172.56-8,516.16-3,520.08

Finding the Fourth Proportional to 6,172.56, 8,516.16 and 3,520.08

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Solution

The fourth proportional to 6,172.56, 8,516.16 and 3,520.08 is: 4,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.56 : 8,516.16 = 3,520.08 : x
  2. Step 2: Convert to fraction form
    6,172.56/8,516.16 = 3,520.08/x
  3. Step 3: Cross multiply
    6,172.56x = 8,516.16 × 3,520.08
  4. Step 4: Simplify right side
    6,172.56x = 29,977,564.49
  5. Step 5: Solve for x
    x = 29,977,564.49/6,172.56
  6. Step 6: Final answer
    x = 4,856.59

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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.