Home / 5,690.41-8,529.75-2,179.45

Finding the Fourth Proportional to 5,690.41, 8,529.75 and 2,179.45

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Solution

The fourth proportional to 5,690.41, 8,529.75 and 2,179.45 is: 3,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.41 : 8,529.75 = 2,179.45 : x
  2. Step 2: Convert to fraction form
    5,690.41/8,529.75 = 2,179.45/x
  3. Step 3: Cross multiply
    5,690.41x = 8,529.75 × 2,179.45
  4. Step 4: Simplify right side
    5,690.41x = 18,590,163.64
  5. Step 5: Solve for x
    x = 18,590,163.64/5,690.41
  6. Step 6: Final answer
    x = 3,266.93

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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.