Home / 4,647.21-6,414.33-2,658.39

Finding the Fourth Proportional to 4,647.21, 6,414.33 and 2,658.39

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Solution

The fourth proportional to 4,647.21, 6,414.33 and 2,658.39 is: 3,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.21 : 6,414.33 = 2,658.39 : x
  2. Step 2: Convert to fraction form
    4,647.21/6,414.33 = 2,658.39/x
  3. Step 3: Cross multiply
    4,647.21x = 6,414.33 × 2,658.39
  4. Step 4: Simplify right side
    4,647.21x = 17,051,800.70
  5. Step 5: Solve for x
    x = 17,051,800.70/4,647.21
  6. Step 6: Final answer
    x = 3,669.26

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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.