Home / 6,302.20-9,453.30-1,685.20

Finding the Fourth Proportional to 6,302.20, 9,453.30 and 1,685.20

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Solution

The fourth proportional to 6,302.20, 9,453.30 and 1,685.20 is: 2,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302.20 : 9,453.30 = 1,685.20 : x
  2. Step 2: Convert to fraction form
    6,302.20/9,453.30 = 1,685.20/x
  3. Step 3: Cross multiply
    6,302.20x = 9,453.30 × 1,685.20
  4. Step 4: Simplify right side
    6,302.20x = 15,930,701.16
  5. Step 5: Solve for x
    x = 15,930,701.16/6,302.20
  6. Step 6: Final answer
    x = 2,527.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.