Home / 4,913.88-6,778.60-3,047.64

Finding the Fourth Proportional to 4,913.88, 6,778.60 and 3,047.64

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Solution

The fourth proportional to 4,913.88, 6,778.60 and 3,047.64 is: 4,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.88 : 6,778.60 = 3,047.64 : x
  2. Step 2: Convert to fraction form
    4,913.88/6,778.60 = 3,047.64/x
  3. Step 3: Cross multiply
    4,913.88x = 6,778.60 × 3,047.64
  4. Step 4: Simplify right side
    4,913.88x = 20,658,732.50
  5. Step 5: Solve for x
    x = 20,658,732.50/4,913.88
  6. Step 6: Final answer
    x = 4,204.16

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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.