Home / 7,834.23-10,811.79-4,477.55

Finding the Fourth Proportional to 7,834.23, 10,811.79 and 4,477.55

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Solution

The fourth proportional to 7,834.23, 10,811.79 and 4,477.55 is: 6,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.23 : 10,811.79 = 4,477.55 : x
  2. Step 2: Convert to fraction form
    7,834.23/10,811.79 = 4,477.55/x
  3. Step 3: Cross multiply
    7,834.23x = 10,811.79 × 4,477.55
  4. Step 4: Simplify right side
    7,834.23x = 48,410,276.26
  5. Step 5: Solve for x
    x = 48,410,276.26/7,834.23
  6. Step 6: Final answer
    x = 6,179.33

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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.