Home / 4,408.69-6,613.06-1,121.77

Finding the Fourth Proportional to 4,408.69, 6,613.06 and 1,121.77

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Solution

The fourth proportional to 4,408.69, 6,613.06 and 1,121.77 is: 1,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.69 : 6,613.06 = 1,121.77 : x
  2. Step 2: Convert to fraction form
    4,408.69/6,613.06 = 1,121.77/x
  3. Step 3: Cross multiply
    4,408.69x = 6,613.06 × 1,121.77
  4. Step 4: Simplify right side
    4,408.69x = 7,418,332.32
  5. Step 5: Solve for x
    x = 7,418,332.32/4,408.69
  6. Step 6: Final answer
    x = 1,682.66

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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.