Home / 4,658.82-6,429.75-2,890.69

Finding the Fourth Proportional to 4,658.82, 6,429.75 and 2,890.69

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Solution

The fourth proportional to 4,658.82, 6,429.75 and 2,890.69 is: 3,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.82 : 6,429.75 = 2,890.69 : x
  2. Step 2: Convert to fraction form
    4,658.82/6,429.75 = 2,890.69/x
  3. Step 3: Cross multiply
    4,658.82x = 6,429.75 × 2,890.69
  4. Step 4: Simplify right side
    4,658.82x = 18,586,387.11
  5. Step 5: Solve for x
    x = 18,586,387.11/4,658.82
  6. Step 6: Final answer
    x = 3,989.51

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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.