Home / 4,890.61-7,329.52-1,965.52

Finding the Fourth Proportional to 4,890.61, 7,329.52 and 1,965.52

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Solution

The fourth proportional to 4,890.61, 7,329.52 and 1,965.52 is: 2,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.61 : 7,329.52 = 1,965.52 : x
  2. Step 2: Convert to fraction form
    4,890.61/7,329.52 = 1,965.52/x
  3. Step 3: Cross multiply
    4,890.61x = 7,329.52 × 1,965.52
  4. Step 4: Simplify right side
    4,890.61x = 14,406,318.15
  5. Step 5: Solve for x
    x = 14,406,318.15/4,890.61
  6. Step 6: Final answer
    x = 2,945.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.