Home / 6,171.48-8,516.14-3,518.39

Finding the Fourth Proportional to 6,171.48, 8,516.14 and 3,518.39

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Solution

The fourth proportional to 6,171.48, 8,516.14 and 3,518.39 is: 4,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.48 : 8,516.14 = 3,518.39 : x
  2. Step 2: Convert to fraction form
    6,171.48/8,516.14 = 3,518.39/x
  3. Step 3: Cross multiply
    6,171.48x = 8,516.14 × 3,518.39
  4. Step 4: Simplify right side
    6,171.48x = 29,963,114.31
  5. Step 5: Solve for x
    x = 29,963,114.31/6,171.48
  6. Step 6: Final answer
    x = 4,855.09

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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.