Home / 6,855.70-10,281.66-2,692.78

Finding the Fourth Proportional to 6,855.70, 10,281.66 and 2,692.78

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Solution

The fourth proportional to 6,855.70, 10,281.66 and 2,692.78 is: 4,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.70 : 10,281.66 = 2,692.78 : x
  2. Step 2: Convert to fraction form
    6,855.70/10,281.66 = 2,692.78/x
  3. Step 3: Cross multiply
    6,855.70x = 10,281.66 × 2,692.78
  4. Step 4: Simplify right side
    6,855.70x = 27,686,248.41
  5. Step 5: Solve for x
    x = 27,686,248.41/6,855.70
  6. Step 6: Final answer
    x = 4,038.43

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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.