Home / 7,816.75-10,788.14-4,458.79

Finding the Fourth Proportional to 7,816.75, 10,788.14 and 4,458.79

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Solution

The fourth proportional to 7,816.75, 10,788.14 and 4,458.79 is: 6,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.75 : 10,788.14 = 4,458.79 : x
  2. Step 2: Convert to fraction form
    7,816.75/10,788.14 = 4,458.79/x
  3. Step 3: Cross multiply
    7,816.75x = 10,788.14 × 4,458.79
  4. Step 4: Simplify right side
    7,816.75x = 48,102,050.75
  5. Step 5: Solve for x
    x = 48,102,050.75/7,816.75
  6. Step 6: Final answer
    x = 6,153.71

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1.5x scale

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.