Home / 6,181.36-8,530.28-3,386.86

Finding the Fourth Proportional to 6,181.36, 8,530.28 and 3,386.86

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Solution

The fourth proportional to 6,181.36, 8,530.28 and 3,386.86 is: 4,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.36 : 8,530.28 = 3,386.86 : x
  2. Step 2: Convert to fraction form
    6,181.36/8,530.28 = 3,386.86/x
  3. Step 3: Cross multiply
    6,181.36x = 8,530.28 × 3,386.86
  4. Step 4: Simplify right side
    6,181.36x = 28,890,838.56
  5. Step 5: Solve for x
    x = 28,890,838.56/6,181.36
  6. Step 6: Final answer
    x = 4,673.87

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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.