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Finding the Fourth Proportional to 4,576.42, 6,865.44 and 1,658.80

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Solution

The fourth proportional to 4,576.42, 6,865.44 and 1,658.80 is: 2,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.42 : 6,865.44 = 1,658.80 : x
  2. Step 2: Convert to fraction form
    4,576.42/6,865.44 = 1,658.80/x
  3. Step 3: Cross multiply
    4,576.42x = 6,865.44 × 1,658.80
  4. Step 4: Simplify right side
    4,576.42x = 11,388,391.87
  5. Step 5: Solve for x
    x = 11,388,391.87/4,576.42
  6. Step 6: Final answer
    x = 2,488.49

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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.