Home / 4,659.54-6,429.87-2,890.50

Finding the Fourth Proportional to 4,659.54, 6,429.87 and 2,890.50

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Solution

The fourth proportional to 4,659.54, 6,429.87 and 2,890.50 is: 3,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.54 : 6,429.87 = 2,890.50 : x
  2. Step 2: Convert to fraction form
    4,659.54/6,429.87 = 2,890.50/x
  3. Step 3: Cross multiply
    4,659.54x = 6,429.87 × 2,890.50
  4. Step 4: Simplify right side
    4,659.54x = 18,585,539.24
  5. Step 5: Solve for x
    x = 18,585,539.24/4,659.54
  6. Step 6: Final answer
    x = 3,988.71

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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.