Home / 4,989.44-7,485.50-4,445.36

Finding the Fourth Proportional to 4,989.44, 7,485.50 and 4,445.36

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Solution

The fourth proportional to 4,989.44, 7,485.50 and 4,445.36 is: 6,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.44 : 7,485.50 = 4,445.36 : x
  2. Step 2: Convert to fraction form
    4,989.44/7,485.50 = 4,445.36/x
  3. Step 3: Cross multiply
    4,989.44x = 7,485.50 × 4,445.36
  4. Step 4: Simplify right side
    4,989.44x = 33,275,742.28
  5. Step 5: Solve for x
    x = 33,275,742.28/4,989.44
  6. Step 6: Final answer
    x = 6,669.23

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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.