Home / 6,629.42-9,149.98-4,205.21

Finding the Fourth Proportional to 6,629.42, 9,149.98 and 4,205.21

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Solution

The fourth proportional to 6,629.42, 9,149.98 and 4,205.21 is: 5,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.42 : 9,149.98 = 4,205.21 : x
  2. Step 2: Convert to fraction form
    6,629.42/9,149.98 = 4,205.21/x
  3. Step 3: Cross multiply
    6,629.42x = 9,149.98 × 4,205.21
  4. Step 4: Simplify right side
    6,629.42x = 38,477,597.91
  5. Step 5: Solve for x
    x = 38,477,597.91/6,629.42
  6. Step 6: Final answer
    x = 5,804.07

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Similar ratio
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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.