Home / 4,658.70-6,429.78-2,669.88

Finding the Fourth Proportional to 4,658.70, 6,429.78 and 2,669.88

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Solution

The fourth proportional to 4,658.70, 6,429.78 and 2,669.88 is: 3,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.70 : 6,429.78 = 2,669.88 : x
  2. Step 2: Convert to fraction form
    4,658.70/6,429.78 = 2,669.88/x
  3. Step 3: Cross multiply
    4,658.70x = 6,429.78 × 2,669.88
  4. Step 4: Simplify right side
    4,658.70x = 17,166,741.03
  5. Step 5: Solve for x
    x = 17,166,741.03/4,658.70
  6. Step 6: Final answer
    x = 3,684.88

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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.