Home / 6,768.95-10,149.35-2,815.44

Finding the Fourth Proportional to 6,768.95, 10,149.35 and 2,815.44

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Solution

The fourth proportional to 6,768.95, 10,149.35 and 2,815.44 is: 4,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.95 : 10,149.35 = 2,815.44 : x
  2. Step 2: Convert to fraction form
    6,768.95/10,149.35 = 2,815.44/x
  3. Step 3: Cross multiply
    6,768.95x = 10,149.35 × 2,815.44
  4. Step 4: Simplify right side
    6,768.95x = 28,574,871.89
  5. Step 5: Solve for x
    x = 28,574,871.89/6,768.95
  6. Step 6: Final answer
    x = 4,221.47

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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.