Home / 4,911.78-6,778.71-3,024.60

Finding the Fourth Proportional to 4,911.78, 6,778.71 and 3,024.60

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Solution

The fourth proportional to 4,911.78, 6,778.71 and 3,024.60 is: 4,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.78 : 6,778.71 = 3,024.60 : x
  2. Step 2: Convert to fraction form
    4,911.78/6,778.71 = 3,024.60/x
  3. Step 3: Cross multiply
    4,911.78x = 6,778.71 × 3,024.60
  4. Step 4: Simplify right side
    4,911.78x = 20,502,886.27
  5. Step 5: Solve for x
    x = 20,502,886.27/4,911.78
  6. Step 6: Final answer
    x = 4,174.23

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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.