Home / 4,905.01-6,768.88-2,780.94

Finding the Fourth Proportional to 4,905.01, 6,768.88 and 2,780.94

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Solution

The fourth proportional to 4,905.01, 6,768.88 and 2,780.94 is: 3,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.01 : 6,768.88 = 2,780.94 : x
  2. Step 2: Convert to fraction form
    4,905.01/6,768.88 = 2,780.94/x
  3. Step 3: Cross multiply
    4,905.01x = 6,768.88 × 2,780.94
  4. Step 4: Simplify right side
    4,905.01x = 18,823,829.50
  5. Step 5: Solve for x
    x = 18,823,829.50/4,905.01
  6. Step 6: Final answer
    x = 3,837.68

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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.