Home / 4,658.80-6,428.27-2,770.85

Finding the Fourth Proportional to 4,658.80, 6,428.27 and 2,770.85

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Solution

The fourth proportional to 4,658.80, 6,428.27 and 2,770.85 is: 3,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.80 : 6,428.27 = 2,770.85 : x
  2. Step 2: Convert to fraction form
    4,658.80/6,428.27 = 2,770.85/x
  3. Step 3: Cross multiply
    4,658.80x = 6,428.27 × 2,770.85
  4. Step 4: Simplify right side
    4,658.80x = 17,811,769.98
  5. Step 5: Solve for x
    x = 17,811,769.98/4,658.80
  6. Step 6: Final answer
    x = 3,823.25

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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.