Home / 8,725.54-13,088.46-2,485.71

Finding the Fourth Proportional to 8,725.54, 13,088.46 and 2,485.71

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Solution

The fourth proportional to 8,725.54, 13,088.46 and 2,485.71 is: 3,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.54 : 13,088.46 = 2,485.71 : x
  2. Step 2: Convert to fraction form
    8,725.54/13,088.46 = 2,485.71/x
  3. Step 3: Cross multiply
    8,725.54x = 13,088.46 × 2,485.71
  4. Step 4: Simplify right side
    8,725.54x = 32,534,115.91
  5. Step 5: Solve for x
    x = 32,534,115.91/8,725.54
  6. Step 6: Final answer
    x = 3,728.61

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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.