Home / 4,890.23-7,328.34-3,775.76

Finding the Fourth Proportional to 4,890.23, 7,328.34 and 3,775.76

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Solution

The fourth proportional to 4,890.23, 7,328.34 and 3,775.76 is: 5,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.23 : 7,328.34 = 3,775.76 : x
  2. Step 2: Convert to fraction form
    4,890.23/7,328.34 = 3,775.76/x
  3. Step 3: Cross multiply
    4,890.23x = 7,328.34 × 3,775.76
  4. Step 4: Simplify right side
    4,890.23x = 27,670,016.40
  5. Step 5: Solve for x
    x = 27,670,016.40/4,890.23
  6. Step 6: Final answer
    x = 5,658.23

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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.