Home / 6,692.18-9,235.19-3,708.20

Finding the Fourth Proportional to 6,692.18, 9,235.19 and 3,708.20

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Solution

The fourth proportional to 6,692.18, 9,235.19 and 3,708.20 is: 5,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.18 : 9,235.19 = 3,708.20 : x
  2. Step 2: Convert to fraction form
    6,692.18/9,235.19 = 3,708.20/x
  3. Step 3: Cross multiply
    6,692.18x = 9,235.19 × 3,708.20
  4. Step 4: Simplify right side
    6,692.18x = 34,245,963.92
  5. Step 5: Solve for x
    x = 34,245,963.92/6,692.18
  6. Step 6: Final answer
    x = 5,117.31

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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.