Home / 8,306.44-12,459.63-2,760.21

Finding the Fourth Proportional to 8,306.44, 12,459.63 and 2,760.21

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Solution

The fourth proportional to 8,306.44, 12,459.63 and 2,760.21 is: 4,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.44 : 12,459.63 = 2,760.21 : x
  2. Step 2: Convert to fraction form
    8,306.44/12,459.63 = 2,760.21/x
  3. Step 3: Cross multiply
    8,306.44x = 12,459.63 × 2,760.21
  4. Step 4: Simplify right side
    8,306.44x = 34,391,195.32
  5. Step 5: Solve for x
    x = 34,391,195.32/8,306.44
  6. Step 6: Final answer
    x = 4,140.31

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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.