Home / 5,611.03-8,416.80-2,100.13

Finding the Fourth Proportional to 5,611.03, 8,416.80 and 2,100.13

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Solution

The fourth proportional to 5,611.03, 8,416.80 and 2,100.13 is: 3,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.03 : 8,416.80 = 2,100.13 : x
  2. Step 2: Convert to fraction form
    5,611.03/8,416.80 = 2,100.13/x
  3. Step 3: Cross multiply
    5,611.03x = 8,416.80 × 2,100.13
  4. Step 4: Simplify right side
    5,611.03x = 17,676,382.72
  5. Step 5: Solve for x
    x = 17,676,382.72/5,611.03
  6. Step 6: Final answer
    x = 3,150.29

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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.