Home / 6,146.25-9,214.64-3,181.51

Finding the Fourth Proportional to 6,146.25, 9,214.64 and 3,181.51

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Solution

The fourth proportional to 6,146.25, 9,214.64 and 3,181.51 is: 4,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.25 : 9,214.64 = 3,181.51 : x
  2. Step 2: Convert to fraction form
    6,146.25/9,214.64 = 3,181.51/x
  3. Step 3: Cross multiply
    6,146.25x = 9,214.64 × 3,181.51
  4. Step 4: Simplify right side
    6,146.25x = 29,316,494.74
  5. Step 5: Solve for x
    x = 29,316,494.74/6,146.25
  6. Step 6: Final answer
    x = 4,769.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.