Home / 6,810.72-10,220.39-3,692.85

Finding the Fourth Proportional to 6,810.72, 10,220.39 and 3,692.85

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Solution

The fourth proportional to 6,810.72, 10,220.39 and 3,692.85 is: 5,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.72 : 10,220.39 = 3,692.85 : x
  2. Step 2: Convert to fraction form
    6,810.72/10,220.39 = 3,692.85/x
  3. Step 3: Cross multiply
    6,810.72x = 10,220.39 × 3,692.85
  4. Step 4: Simplify right side
    6,810.72x = 37,742,367.21
  5. Step 5: Solve for x
    x = 37,742,367.21/6,810.72
  6. Step 6: Final answer
    x = 5,541.61

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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.