Home / 8,399.45-12,596.48-2,776.07

Finding the Fourth Proportional to 8,399.45, 12,596.48 and 2,776.07

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Solution

The fourth proportional to 8,399.45, 12,596.48 and 2,776.07 is: 4,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.45 : 12,596.48 = 2,776.07 : x
  2. Step 2: Convert to fraction form
    8,399.45/12,596.48 = 2,776.07/x
  3. Step 3: Cross multiply
    8,399.45x = 12,596.48 × 2,776.07
  4. Step 4: Simplify right side
    8,399.45x = 34,968,710.23
  5. Step 5: Solve for x
    x = 34,968,710.23/8,399.45
  6. Step 6: Final answer
    x = 4,163.21

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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.