Home / 5,101.74-7,651.34-1,403.79

Finding the Fourth Proportional to 5,101.74, 7,651.34 and 1,403.79

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Solution

The fourth proportional to 5,101.74, 7,651.34 and 1,403.79 is: 2,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.74 : 7,651.34 = 1,403.79 : x
  2. Step 2: Convert to fraction form
    5,101.74/7,651.34 = 1,403.79/x
  3. Step 3: Cross multiply
    5,101.74x = 7,651.34 × 1,403.79
  4. Step 4: Simplify right side
    5,101.74x = 10,740,874.58
  5. Step 5: Solve for x
    x = 10,740,874.58/5,101.74
  6. Step 6: Final answer
    x = 2,105.34

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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.