Home / 6,144.40-9,217.95-1,983.70

Finding the Fourth Proportional to 6,144.40, 9,217.95 and 1,983.70

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Solution

The fourth proportional to 6,144.40, 9,217.95 and 1,983.70 is: 2,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.40 : 9,217.95 = 1,983.70 : x
  2. Step 2: Convert to fraction form
    6,144.40/9,217.95 = 1,983.70/x
  3. Step 3: Cross multiply
    6,144.40x = 9,217.95 × 1,983.70
  4. Step 4: Simplify right side
    6,144.40x = 18,285,647.42
  5. Step 5: Solve for x
    x = 18,285,647.42/6,144.40
  6. Step 6: Final answer
    x = 2,975.99

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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.