Home / 7,913.28-11,879.09-4,628.73

Finding the Fourth Proportional to 7,913.28, 11,879.09 and 4,628.73

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Solution

The fourth proportional to 7,913.28, 11,879.09 and 4,628.73 is: 6,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.28 : 11,879.09 = 4,628.73 : x
  2. Step 2: Convert to fraction form
    7,913.28/11,879.09 = 4,628.73/x
  3. Step 3: Cross multiply
    7,913.28x = 11,879.09 × 4,628.73
  4. Step 4: Simplify right side
    7,913.28x = 54,985,077.11
  5. Step 5: Solve for x
    x = 54,985,077.11/7,913.28
  6. Step 6: Final answer
    x = 6,948.46

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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.