Home / 6,143.82-9,216.81-1,984.74

Finding the Fourth Proportional to 6,143.82, 9,216.81 and 1,984.74

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Solution

The fourth proportional to 6,143.82, 9,216.81 and 1,984.74 is: 2,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.82 : 9,216.81 = 1,984.74 : x
  2. Step 2: Convert to fraction form
    6,143.82/9,216.81 = 1,984.74/x
  3. Step 3: Cross multiply
    6,143.82x = 9,216.81 × 1,984.74
  4. Step 4: Simplify right side
    6,143.82x = 18,292,971.48
  5. Step 5: Solve for x
    x = 18,292,971.48/6,143.82
  6. Step 6: Final answer
    x = 2,977.46

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Double scale
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Similar ratio
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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.