Home / 5,611.90-8,416.30-2,324.20

Finding the Fourth Proportional to 5,611.90, 8,416.30 and 2,324.20

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Solution

The fourth proportional to 5,611.90, 8,416.30 and 2,324.20 is: 3,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.90 : 8,416.30 = 2,324.20 : x
  2. Step 2: Convert to fraction form
    5,611.90/8,416.30 = 2,324.20/x
  3. Step 3: Cross multiply
    5,611.90x = 8,416.30 × 2,324.20
  4. Step 4: Simplify right side
    5,611.90x = 19,561,164.46
  5. Step 5: Solve for x
    x = 19,561,164.46/5,611.90
  6. Step 6: Final answer
    x = 3,485.66

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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.