Home / 5,680.08-8,522.52-3,211.20

Finding the Fourth Proportional to 5,680.08, 8,522.52 and 3,211.20

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Solution

The fourth proportional to 5,680.08, 8,522.52 and 3,211.20 is: 4,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.08 : 8,522.52 = 3,211.20 : x
  2. Step 2: Convert to fraction form
    5,680.08/8,522.52 = 3,211.20/x
  3. Step 3: Cross multiply
    5,680.08x = 8,522.52 × 3,211.20
  4. Step 4: Simplify right side
    5,680.08x = 27,367,516.22
  5. Step 5: Solve for x
    x = 27,367,516.22/5,680.08
  6. Step 6: Final answer
    x = 4,818.16

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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.