Home / 6,181.40-8,530.26-3,386.90

Finding the Fourth Proportional to 6,181.40, 8,530.26 and 3,386.90

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Solution

The fourth proportional to 6,181.40, 8,530.26 and 3,386.90 is: 4,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.40 : 8,530.26 = 3,386.90 : x
  2. Step 2: Convert to fraction form
    6,181.40/8,530.26 = 3,386.90/x
  3. Step 3: Cross multiply
    6,181.40x = 8,530.26 × 3,386.90
  4. Step 4: Simplify right side
    6,181.40x = 28,891,137.59
  5. Step 5: Solve for x
    x = 28,891,137.59/6,181.40
  6. Step 6: Final answer
    x = 4,673.88

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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.