Home / 7,816.91-10,788.36-4,458.95

Finding the Fourth Proportional to 7,816.91, 10,788.36 and 4,458.95

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Solution

The fourth proportional to 7,816.91, 10,788.36 and 4,458.95 is: 6,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.91 : 10,788.36 = 4,458.95 : x
  2. Step 2: Convert to fraction form
    7,816.91/10,788.36 = 4,458.95/x
  3. Step 3: Cross multiply
    7,816.91x = 10,788.36 × 4,458.95
  4. Step 4: Simplify right side
    7,816.91x = 48,104,757.82
  5. Step 5: Solve for x
    x = 48,104,757.82/7,816.91
  6. Step 6: Final answer
    x = 6,153.94

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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.