Home / 4,399.86-6,070.77-3,218.88

Finding the Fourth Proportional to 4,399.86, 6,070.77 and 3,218.88

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Solution

The fourth proportional to 4,399.86, 6,070.77 and 3,218.88 is: 4,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.86 : 6,070.77 = 3,218.88 : x
  2. Step 2: Convert to fraction form
    4,399.86/6,070.77 = 3,218.88/x
  3. Step 3: Cross multiply
    4,399.86x = 6,070.77 × 3,218.88
  4. Step 4: Simplify right side
    4,399.86x = 19,541,080.14
  5. Step 5: Solve for x
    x = 19,541,080.14/4,399.86
  6. Step 6: Final answer
    x = 4,441.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.