Home / 6,181.25-8,530.13-3,386.75

Finding the Fourth Proportional to 6,181.25, 8,530.13 and 3,386.75

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Solution

The fourth proportional to 6,181.25, 8,530.13 and 3,386.75 is: 4,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.25 : 8,530.13 = 3,386.75 : x
  2. Step 2: Convert to fraction form
    6,181.25/8,530.13 = 3,386.75/x
  3. Step 3: Cross multiply
    6,181.25x = 8,530.13 × 3,386.75
  4. Step 4: Simplify right side
    6,181.25x = 28,889,417.78
  5. Step 5: Solve for x
    x = 28,889,417.78/6,181.25
  6. Step 6: Final answer
    x = 4,673.72

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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.