Home / 4,899.53-6,756.75-3,778.70

Finding the Fourth Proportional to 4,899.53, 6,756.75 and 3,778.70

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Solution

The fourth proportional to 4,899.53, 6,756.75 and 3,778.70 is: 5,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.53 : 6,756.75 = 3,778.70 : x
  2. Step 2: Convert to fraction form
    4,899.53/6,756.75 = 3,778.70/x
  3. Step 3: Cross multiply
    4,899.53x = 6,756.75 × 3,778.70
  4. Step 4: Simplify right side
    4,899.53x = 25,531,697.44
  5. Step 5: Solve for x
    x = 25,531,697.44/4,899.53
  6. Step 6: Final answer
    x = 5,211.05

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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.