Home / 4,420.45-6,629.23-1,955.22

Finding the Fourth Proportional to 4,420.45, 6,629.23 and 1,955.22

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Solution

The fourth proportional to 4,420.45, 6,629.23 and 1,955.22 is: 2,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.45 : 6,629.23 = 1,955.22 : x
  2. Step 2: Convert to fraction form
    4,420.45/6,629.23 = 1,955.22/x
  3. Step 3: Cross multiply
    4,420.45x = 6,629.23 × 1,955.22
  4. Step 4: Simplify right side
    4,420.45x = 12,961,603.08
  5. Step 5: Solve for x
    x = 12,961,603.08/4,420.45
  6. Step 6: Final answer
    x = 2,932.19

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Similar ratio
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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.