Home / 6,143.70-9,217.58-1,984.35

Finding the Fourth Proportional to 6,143.70, 9,217.58 and 1,984.35

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Solution

The fourth proportional to 6,143.70, 9,217.58 and 1,984.35 is: 2,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.70 : 9,217.58 = 1,984.35 : x
  2. Step 2: Convert to fraction form
    6,143.70/9,217.58 = 1,984.35/x
  3. Step 3: Cross multiply
    6,143.70x = 9,217.58 × 1,984.35
  4. Step 4: Simplify right side
    6,143.70x = 18,290,894.95
  5. Step 5: Solve for x
    x = 18,290,894.95/6,143.70
  6. Step 6: Final answer
    x = 2,977.18

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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.