Home / 4,262.32-5,878.12-2,768.72

Finding the Fourth Proportional to 4,262.32, 5,878.12 and 2,768.72

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Solution

The fourth proportional to 4,262.32, 5,878.12 and 2,768.72 is: 3,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.32 : 5,878.12 = 2,768.72 : x
  2. Step 2: Convert to fraction form
    4,262.32/5,878.12 = 2,768.72/x
  3. Step 3: Cross multiply
    4,262.32x = 5,878.12 × 2,768.72
  4. Step 4: Simplify right side
    4,262.32x = 16,274,868.41
  5. Step 5: Solve for x
    x = 16,274,868.41/4,262.32
  6. Step 6: Final answer
    x = 3,818.31

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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.