Home / 4,505.42-6,758.12-1,218.60

Finding the Fourth Proportional to 4,505.42, 6,758.12 and 1,218.60

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Solution

The fourth proportional to 4,505.42, 6,758.12 and 1,218.60 is: 1,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.42 : 6,758.12 = 1,218.60 : x
  2. Step 2: Convert to fraction form
    4,505.42/6,758.12 = 1,218.60/x
  3. Step 3: Cross multiply
    4,505.42x = 6,758.12 × 1,218.60
  4. Step 4: Simplify right side
    4,505.42x = 8,235,448.08
  5. Step 5: Solve for x
    x = 8,235,448.08/4,505.42
  6. Step 6: Final answer
    x = 1,827.90

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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.