Home / 6,515.40-9,773.10-2,133.30

Finding the Fourth Proportional to 6,515.40, 9,773.10 and 2,133.30

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Solution

The fourth proportional to 6,515.40, 9,773.10 and 2,133.30 is: 3,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.40 : 9,773.10 = 2,133.30 : x
  2. Step 2: Convert to fraction form
    6,515.40/9,773.10 = 2,133.30/x
  3. Step 3: Cross multiply
    6,515.40x = 9,773.10 × 2,133.30
  4. Step 4: Simplify right side
    6,515.40x = 20,848,954.23
  5. Step 5: Solve for x
    x = 20,848,954.23/6,515.40
  6. Step 6: Final answer
    x = 3,199.95

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Similar ratio
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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.