Home / 4,206.29-6,310.04-1,284.21

Finding the Fourth Proportional to 4,206.29, 6,310.04 and 1,284.21

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Solution

The fourth proportional to 4,206.29, 6,310.04 and 1,284.21 is: 1,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.29 : 6,310.04 = 1,284.21 : x
  2. Step 2: Convert to fraction form
    4,206.29/6,310.04 = 1,284.21/x
  3. Step 3: Cross multiply
    4,206.29x = 6,310.04 × 1,284.21
  4. Step 4: Simplify right side
    4,206.29x = 8,103,410.05
  5. Step 5: Solve for x
    x = 8,103,410.05/4,206.29
  6. Step 6: Final answer
    x = 1,926.50

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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.