Home / 4,612.78-6,883.47-4,120.54

Finding the Fourth Proportional to 4,612.78, 6,883.47 and 4,120.54

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Solution

The fourth proportional to 4,612.78, 6,883.47 and 4,120.54 is: 6,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.78 : 6,883.47 = 4,120.54 : x
  2. Step 2: Convert to fraction form
    4,612.78/6,883.47 = 4,120.54/x
  3. Step 3: Cross multiply
    4,612.78x = 6,883.47 × 4,120.54
  4. Step 4: Simplify right side
    4,612.78x = 28,363,592.87
  5. Step 5: Solve for x
    x = 28,363,592.87/4,612.78
  6. Step 6: Final answer
    x = 6,148.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.