Home / 6,187.66-8,538.80-3,354.91

Finding the Fourth Proportional to 6,187.66, 8,538.80 and 3,354.91

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Solution

The fourth proportional to 6,187.66, 8,538.80 and 3,354.91 is: 4,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.66 : 8,538.80 = 3,354.91 : x
  2. Step 2: Convert to fraction form
    6,187.66/8,538.80 = 3,354.91/x
  3. Step 3: Cross multiply
    6,187.66x = 8,538.80 × 3,354.91
  4. Step 4: Simplify right side
    6,187.66x = 28,646,867.39
  5. Step 5: Solve for x
    x = 28,646,867.39/6,187.66
  6. Step 6: Final answer
    x = 4,629.68

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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.