Home / 4,090.61-6,130.77-2,216.43

Finding the Fourth Proportional to 4,090.61, 6,130.77 and 2,216.43

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Solution

The fourth proportional to 4,090.61, 6,130.77 and 2,216.43 is: 3,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.61 : 6,130.77 = 2,216.43 : x
  2. Step 2: Convert to fraction form
    4,090.61/6,130.77 = 2,216.43/x
  3. Step 3: Cross multiply
    4,090.61x = 6,130.77 × 2,216.43
  4. Step 4: Simplify right side
    4,090.61x = 13,588,422.55
  5. Step 5: Solve for x
    x = 13,588,422.55/4,090.61
  6. Step 6: Final answer
    x = 3,321.86

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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.