Home / 4,804.81-6,627.87-2,889.30

Finding the Fourth Proportional to 4,804.81, 6,627.87 and 2,889.30

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Solution

The fourth proportional to 4,804.81, 6,627.87 and 2,889.30 is: 3,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.81 : 6,627.87 = 2,889.30 : x
  2. Step 2: Convert to fraction form
    4,804.81/6,627.87 = 2,889.30/x
  3. Step 3: Cross multiply
    4,804.81x = 6,627.87 × 2,889.30
  4. Step 4: Simplify right side
    4,804.81x = 19,149,893.56
  5. Step 5: Solve for x
    x = 19,149,893.56/4,804.81
  6. Step 6: Final answer
    x = 3,985.56

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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.