Home / 5,725.08-8,587.62-3,129.84

Finding the Fourth Proportional to 5,725.08, 8,587.62 and 3,129.84

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Solution

The fourth proportional to 5,725.08, 8,587.62 and 3,129.84 is: 4,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.08 : 8,587.62 = 3,129.84 : x
  2. Step 2: Convert to fraction form
    5,725.08/8,587.62 = 3,129.84/x
  3. Step 3: Cross multiply
    5,725.08x = 8,587.62 × 3,129.84
  4. Step 4: Simplify right side
    5,725.08x = 26,877,876.58
  5. Step 5: Solve for x
    x = 26,877,876.58/5,725.08
  6. Step 6: Final answer
    x = 4,694.76

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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.