Home / 6,745.31-10,117.24-1,815.45

Finding the Fourth Proportional to 6,745.31, 10,117.24 and 1,815.45

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Solution

The fourth proportional to 6,745.31, 10,117.24 and 1,815.45 is: 2,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.31 : 10,117.24 = 1,815.45 : x
  2. Step 2: Convert to fraction form
    6,745.31/10,117.24 = 1,815.45/x
  3. Step 3: Cross multiply
    6,745.31x = 10,117.24 × 1,815.45
  4. Step 4: Simplify right side
    6,745.31x = 18,367,300.88
  5. Step 5: Solve for x
    x = 18,367,300.88/6,745.31
  6. Step 6: Final answer
    x = 2,722.97

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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.