Home / 7,855.06-10,839.84-4,269.94

Finding the Fourth Proportional to 7,855.06, 10,839.84 and 4,269.94

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Solution

The fourth proportional to 7,855.06, 10,839.84 and 4,269.94 is: 5,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.06 : 10,839.84 = 4,269.94 : x
  2. Step 2: Convert to fraction form
    7,855.06/10,839.84 = 4,269.94/x
  3. Step 3: Cross multiply
    7,855.06x = 10,839.84 × 4,269.94
  4. Step 4: Simplify right side
    7,855.06x = 46,285,466.41
  5. Step 5: Solve for x
    x = 46,285,466.41/7,855.06
  6. Step 6: Final answer
    x = 5,892.44

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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.