Home / 5,416.44-8,124.30-2,130.09

Finding the Fourth Proportional to 5,416.44, 8,124.30 and 2,130.09

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Solution

The fourth proportional to 5,416.44, 8,124.30 and 2,130.09 is: 3,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.44 : 8,124.30 = 2,130.09 : x
  2. Step 2: Convert to fraction form
    5,416.44/8,124.30 = 2,130.09/x
  3. Step 3: Cross multiply
    5,416.44x = 8,124.30 × 2,130.09
  4. Step 4: Simplify right side
    5,416.44x = 17,305,490.19
  5. Step 5: Solve for x
    x = 17,305,490.19/5,416.44
  6. Step 6: Final answer
    x = 3,194.99

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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.