Home / 4,584.39-6,876.52-1,121.67

Finding the Fourth Proportional to 4,584.39, 6,876.52 and 1,121.67

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Solution

The fourth proportional to 4,584.39, 6,876.52 and 1,121.67 is: 1,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.39 : 6,876.52 = 1,121.67 : x
  2. Step 2: Convert to fraction form
    4,584.39/6,876.52 = 1,121.67/x
  3. Step 3: Cross multiply
    4,584.39x = 6,876.52 × 1,121.67
  4. Step 4: Simplify right side
    4,584.39x = 7,713,186.19
  5. Step 5: Solve for x
    x = 7,713,186.19/4,584.39
  6. Step 6: Final answer
    x = 1,682.49

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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.