Home / 4,879.32-6,732.60-2,783.04

Finding the Fourth Proportional to 4,879.32, 6,732.60 and 2,783.04

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Solution

The fourth proportional to 4,879.32, 6,732.60 and 2,783.04 is: 3,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.32 : 6,732.60 = 2,783.04 : x
  2. Step 2: Convert to fraction form
    4,879.32/6,732.60 = 2,783.04/x
  3. Step 3: Cross multiply
    4,879.32x = 6,732.60 × 2,783.04
  4. Step 4: Simplify right side
    4,879.32x = 18,737,095.10
  5. Step 5: Solve for x
    x = 18,737,095.10/4,879.32
  6. Step 6: Final answer
    x = 3,840.10

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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.