Home / 6,745.52-10,116.96-1,815.20

Finding the Fourth Proportional to 6,745.52, 10,116.96 and 1,815.20

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Solution

The fourth proportional to 6,745.52, 10,116.96 and 1,815.20 is: 2,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.52 : 10,116.96 = 1,815.20 : x
  2. Step 2: Convert to fraction form
    6,745.52/10,116.96 = 1,815.20/x
  3. Step 3: Cross multiply
    6,745.52x = 10,116.96 × 1,815.20
  4. Step 4: Simplify right side
    6,745.52x = 18,364,305.79
  5. Step 5: Solve for x
    x = 18,364,305.79/6,745.52
  6. Step 6: Final answer
    x = 2,722.44

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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.