Home / 4,511.29-6,767.70-1,391.23

Finding the Fourth Proportional to 4,511.29, 6,767.70 and 1,391.23

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Solution

The fourth proportional to 4,511.29, 6,767.70 and 1,391.23 is: 2,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.29 : 6,767.70 = 1,391.23 : x
  2. Step 2: Convert to fraction form
    4,511.29/6,767.70 = 1,391.23/x
  3. Step 3: Cross multiply
    4,511.29x = 6,767.70 × 1,391.23
  4. Step 4: Simplify right side
    4,511.29x = 9,415,427.27
  5. Step 5: Solve for x
    x = 9,415,427.27/4,511.29
  6. Step 6: Final answer
    x = 2,087.08

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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.