Home / 4,205.49-6,308.25-1,283.78

Finding the Fourth Proportional to 4,205.49, 6,308.25 and 1,283.78

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Solution

The fourth proportional to 4,205.49, 6,308.25 and 1,283.78 is: 1,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.49 : 6,308.25 = 1,283.78 : x
  2. Step 2: Convert to fraction form
    4,205.49/6,308.25 = 1,283.78/x
  3. Step 3: Cross multiply
    4,205.49x = 6,308.25 × 1,283.78
  4. Step 4: Simplify right side
    4,205.49x = 8,098,416.14
  5. Step 5: Solve for x
    x = 8,098,416.14/4,205.49
  6. Step 6: Final answer
    x = 1,925.68

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Double scale
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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.