Home / 4,576.91-6,865.79-1,245.20

Finding the Fourth Proportional to 4,576.91, 6,865.79 and 1,245.20

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Solution

The fourth proportional to 4,576.91, 6,865.79 and 1,245.20 is: 1,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.91 : 6,865.79 = 1,245.20 : x
  2. Step 2: Convert to fraction form
    4,576.91/6,865.79 = 1,245.20/x
  3. Step 3: Cross multiply
    4,576.91x = 6,865.79 × 1,245.20
  4. Step 4: Simplify right side
    4,576.91x = 8,549,241.15
  5. Step 5: Solve for x
    x = 8,549,241.15/4,576.91
  6. Step 6: Final answer
    x = 1,867.91

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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.