Home / 5,650.76-8,478.32-2,728.84

Finding the Fourth Proportional to 5,650.76, 8,478.32 and 2,728.84

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Solution

The fourth proportional to 5,650.76, 8,478.32 and 2,728.84 is: 4,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.76 : 8,478.32 = 2,728.84 : x
  2. Step 2: Convert to fraction form
    5,650.76/8,478.32 = 2,728.84/x
  3. Step 3: Cross multiply
    5,650.76x = 8,478.32 × 2,728.84
  4. Step 4: Simplify right side
    5,650.76x = 23,135,978.75
  5. Step 5: Solve for x
    x = 23,135,978.75/5,650.76
  6. Step 6: Final answer
    x = 4,094.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.