Home / 6,211.36-8,569.84-3,692.20

Finding the Fourth Proportional to 6,211.36, 8,569.84 and 3,692.20

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Solution

The fourth proportional to 6,211.36, 8,569.84 and 3,692.20 is: 5,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.36 : 8,569.84 = 3,692.20 : x
  2. Step 2: Convert to fraction form
    6,211.36/8,569.84 = 3,692.20/x
  3. Step 3: Cross multiply
    6,211.36x = 8,569.84 × 3,692.20
  4. Step 4: Simplify right side
    6,211.36x = 31,641,563.25
  5. Step 5: Solve for x
    x = 31,641,563.25/6,211.36
  6. Step 6: Final answer
    x = 5,094.14

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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.