Home / 5,514.34-7,611.04-3,391.72

Finding the Fourth Proportional to 5,514.34, 7,611.04 and 3,391.72

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Solution

The fourth proportional to 5,514.34, 7,611.04 and 3,391.72 is: 4,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.34 : 7,611.04 = 3,391.72 : x
  2. Step 2: Convert to fraction form
    5,514.34/7,611.04 = 3,391.72/x
  3. Step 3: Cross multiply
    5,514.34x = 7,611.04 × 3,391.72
  4. Step 4: Simplify right side
    5,514.34x = 25,814,516.59
  5. Step 5: Solve for x
    x = 25,814,516.59/5,514.34
  6. Step 6: Final answer
    x = 4,681.34

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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.