Home / 7,245.35-10,872.60-3,085.36

Finding the Fourth Proportional to 7,245.35, 10,872.60 and 3,085.36

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Solution

The fourth proportional to 7,245.35, 10,872.60 and 3,085.36 is: 4,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.35 : 10,872.60 = 3,085.36 : x
  2. Step 2: Convert to fraction form
    7,245.35/10,872.60 = 3,085.36/x
  3. Step 3: Cross multiply
    7,245.35x = 10,872.60 × 3,085.36
  4. Step 4: Simplify right side
    7,245.35x = 33,545,885.14
  5. Step 5: Solve for x
    x = 33,545,885.14/7,245.35
  6. Step 6: Final answer
    x = 4,629.99

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1.5x scale

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.