Home / 5,514.20-8,258.34-4,271.72

Finding the Fourth Proportional to 5,514.20, 8,258.34 and 4,271.72

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Solution

The fourth proportional to 5,514.20, 8,258.34 and 4,271.72 is: 6,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.20 : 8,258.34 = 4,271.72 : x
  2. Step 2: Convert to fraction form
    5,514.20/8,258.34 = 4,271.72/x
  3. Step 3: Cross multiply
    5,514.20x = 8,258.34 × 4,271.72
  4. Step 4: Simplify right side
    5,514.20x = 35,277,316.14
  5. Step 5: Solve for x
    x = 35,277,316.14/5,514.20
  6. Step 6: Final answer
    x = 6,397.54

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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.