Home / 4,784.44-7,129.70-4,627.84

Finding the Fourth Proportional to 4,784.44, 7,129.70 and 4,627.84

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Solution

The fourth proportional to 4,784.44, 7,129.70 and 4,627.84 is: 6,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.44 : 7,129.70 = 4,627.84 : x
  2. Step 2: Convert to fraction form
    4,784.44/7,129.70 = 4,627.84/x
  3. Step 3: Cross multiply
    4,784.44x = 7,129.70 × 4,627.84
  4. Step 4: Simplify right side
    4,784.44x = 32,995,110.85
  5. Step 5: Solve for x
    x = 32,995,110.85/4,784.44
  6. Step 6: Final answer
    x = 6,896.34

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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.