Home / 6,987.56-10,481.72-2,826.95

Finding the Fourth Proportional to 6,987.56, 10,481.72 and 2,826.95

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Solution

The fourth proportional to 6,987.56, 10,481.72 and 2,826.95 is: 4,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.56 : 10,481.72 = 2,826.95 : x
  2. Step 2: Convert to fraction form
    6,987.56/10,481.72 = 2,826.95/x
  3. Step 3: Cross multiply
    6,987.56x = 10,481.72 × 2,826.95
  4. Step 4: Simplify right side
    6,987.56x = 29,631,231.81
  5. Step 5: Solve for x
    x = 29,631,231.81/6,987.56
  6. Step 6: Final answer
    x = 4,240.57

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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.