Home / 4,074.02-6,109.80-2,125.16

Finding the Fourth Proportional to 4,074.02, 6,109.80 and 2,125.16

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Solution

The fourth proportional to 4,074.02, 6,109.80 and 2,125.16 is: 3,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.02 : 6,109.80 = 2,125.16 : x
  2. Step 2: Convert to fraction form
    4,074.02/6,109.80 = 2,125.16/x
  3. Step 3: Cross multiply
    4,074.02x = 6,109.80 × 2,125.16
  4. Step 4: Simplify right side
    4,074.02x = 12,984,272.02
  5. Step 5: Solve for x
    x = 12,984,272.02/4,074.02
  6. Step 6: Final answer
    x = 3,187.09

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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.