Home / 6,260.71-8,639.88-3,428.03

Finding the Fourth Proportional to 6,260.71, 8,639.88 and 3,428.03

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Solution

The fourth proportional to 6,260.71, 8,639.88 and 3,428.03 is: 4,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.71 : 8,639.88 = 3,428.03 : x
  2. Step 2: Convert to fraction form
    6,260.71/8,639.88 = 3,428.03/x
  3. Step 3: Cross multiply
    6,260.71x = 8,639.88 × 3,428.03
  4. Step 4: Simplify right side
    6,260.71x = 29,617,789.44
  5. Step 5: Solve for x
    x = 29,617,789.44/6,260.71
  6. Step 6: Final answer
    x = 4,730.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.