Home / 5,514.71-7,609.91-3,124.73

Finding the Fourth Proportional to 5,514.71, 7,609.91 and 3,124.73

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Solution

The fourth proportional to 5,514.71, 7,609.91 and 3,124.73 is: 4,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.71 : 7,609.91 = 3,124.73 : x
  2. Step 2: Convert to fraction form
    5,514.71/7,609.91 = 3,124.73/x
  3. Step 3: Cross multiply
    5,514.71x = 7,609.91 × 3,124.73
  4. Step 4: Simplify right side
    5,514.71x = 23,778,925.02
  5. Step 5: Solve for x
    x = 23,778,925.02/5,514.71
  6. Step 6: Final answer
    x = 4,311.91

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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.