Home / 6,181.29-8,530.47-3,386.79

Finding the Fourth Proportional to 6,181.29, 8,530.47 and 3,386.79

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Solution

The fourth proportional to 6,181.29, 8,530.47 and 3,386.79 is: 4,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.29 : 8,530.47 = 3,386.79 : x
  2. Step 2: Convert to fraction form
    6,181.29/8,530.47 = 3,386.79/x
  3. Step 3: Cross multiply
    6,181.29x = 8,530.47 × 3,386.79
  4. Step 4: Simplify right side
    6,181.29x = 28,890,910.49
  5. Step 5: Solve for x
    x = 28,890,910.49/6,181.29
  6. Step 6: Final answer
    x = 4,673.93

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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.