Home / 7,080.81-9,771.57-4,429.73

Finding the Fourth Proportional to 7,080.81, 9,771.57 and 4,429.73

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Solution

The fourth proportional to 7,080.81, 9,771.57 and 4,429.73 is: 6,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.81 : 9,771.57 = 4,429.73 : x
  2. Step 2: Convert to fraction form
    7,080.81/9,771.57 = 4,429.73/x
  3. Step 3: Cross multiply
    7,080.81x = 9,771.57 × 4,429.73
  4. Step 4: Simplify right side
    7,080.81x = 43,285,367.92
  5. Step 5: Solve for x
    x = 43,285,367.92/7,080.81
  6. Step 6: Final answer
    x = 6,113.05

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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.