Home / 5,012.75-6,917.50-2,774.50

Finding the Fourth Proportional to 5,012.75, 6,917.50 and 2,774.50

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Solution

The fourth proportional to 5,012.75, 6,917.50 and 2,774.50 is: 3,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.75 : 6,917.50 = 2,774.50 : x
  2. Step 2: Convert to fraction form
    5,012.75/6,917.50 = 2,774.50/x
  3. Step 3: Cross multiply
    5,012.75x = 6,917.50 × 2,774.50
  4. Step 4: Simplify right side
    5,012.75x = 19,192,603.75
  5. Step 5: Solve for x
    x = 19,192,603.75/5,012.75
  6. Step 6: Final answer
    x = 3,828.76

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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.