Home / 6,260.66-8,639.72-3,608.09

Finding the Fourth Proportional to 6,260.66, 8,639.72 and 3,608.09

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Solution

The fourth proportional to 6,260.66, 8,639.72 and 3,608.09 is: 4,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.66 : 8,639.72 = 3,608.09 : x
  2. Step 2: Convert to fraction form
    6,260.66/8,639.72 = 3,608.09/x
  3. Step 3: Cross multiply
    6,260.66x = 8,639.72 × 3,608.09
  4. Step 4: Simplify right side
    6,260.66x = 31,172,826.10
  5. Step 5: Solve for x
    x = 31,172,826.10/6,260.66
  6. Step 6: Final answer
    x = 4,979.16

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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.