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Finding the Fourth Proportional to 4,829.07, 7,245.05 and 2,775.63

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Solution

The fourth proportional to 4,829.07, 7,245.05 and 2,775.63 is: 4,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.07 : 7,245.05 = 2,775.63 : x
  2. Step 2: Convert to fraction form
    4,829.07/7,245.05 = 2,775.63/x
  3. Step 3: Cross multiply
    4,829.07x = 7,245.05 × 2,775.63
  4. Step 4: Simplify right side
    4,829.07x = 20,109,578.13
  5. Step 5: Solve for x
    x = 20,109,578.13/4,829.07
  6. Step 6: Final answer
    x = 4,164.28

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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.