Home / 7,514.55-11,270.53-3,130.83

Finding the Fourth Proportional to 7,514.55, 11,270.53 and 3,130.83

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Solution

The fourth proportional to 7,514.55, 11,270.53 and 3,130.83 is: 4,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.55 : 11,270.53 = 3,130.83 : x
  2. Step 2: Convert to fraction form
    7,514.55/11,270.53 = 3,130.83/x
  3. Step 3: Cross multiply
    7,514.55x = 11,270.53 × 3,130.83
  4. Step 4: Simplify right side
    7,514.55x = 35,286,113.44
  5. Step 5: Solve for x
    x = 35,286,113.44/7,514.55
  6. Step 6: Final answer
    x = 4,695.71

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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.