Home / 4,658.39-6,429.95-2,771.31

Finding the Fourth Proportional to 4,658.39, 6,429.95 and 2,771.31

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Solution

The fourth proportional to 4,658.39, 6,429.95 and 2,771.31 is: 3,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.39 : 6,429.95 = 2,771.31 : x
  2. Step 2: Convert to fraction form
    4,658.39/6,429.95 = 2,771.31/x
  3. Step 3: Cross multiply
    4,658.39x = 6,429.95 × 2,771.31
  4. Step 4: Simplify right side
    4,658.39x = 17,819,384.73
  5. Step 5: Solve for x
    x = 17,819,384.73/4,658.39
  6. Step 6: Final answer
    x = 3,825.22

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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.