Home / 6,171.23-8,515.79-3,518.14

Finding the Fourth Proportional to 6,171.23, 8,515.79 and 3,518.14

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Solution

The fourth proportional to 6,171.23, 8,515.79 and 3,518.14 is: 4,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.23 : 8,515.79 = 3,518.14 : x
  2. Step 2: Convert to fraction form
    6,171.23/8,515.79 = 3,518.14/x
  3. Step 3: Cross multiply
    6,171.23x = 8,515.79 × 3,518.14
  4. Step 4: Simplify right side
    6,171.23x = 29,959,741.43
  5. Step 5: Solve for x
    x = 29,959,741.43/6,171.23
  6. Step 6: Final answer
    x = 4,854.74

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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.