Home / 8,145.30-12,202.23-4,861.02

Finding the Fourth Proportional to 8,145.30, 12,202.23 and 4,861.02

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Solution

The fourth proportional to 8,145.30, 12,202.23 and 4,861.02 is: 7,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.30 : 12,202.23 = 4,861.02 : x
  2. Step 2: Convert to fraction form
    8,145.30/12,202.23 = 4,861.02/x
  3. Step 3: Cross multiply
    8,145.30x = 12,202.23 × 4,861.02
  4. Step 4: Simplify right side
    8,145.30x = 59,315,284.07
  5. Step 5: Solve for x
    x = 59,315,284.07/8,145.30
  6. Step 6: Final answer
    x = 7,282.15

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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.