Home / 9,725.80-14,595.90-3,886.60

Finding the Fourth Proportional to 9,725.80, 14,595.90 and 3,886.60

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Solution

The fourth proportional to 9,725.80, 14,595.90 and 3,886.60 is: 5,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.80 : 14,595.90 = 3,886.60 : x
  2. Step 2: Convert to fraction form
    9,725.80/14,595.90 = 3,886.60/x
  3. Step 3: Cross multiply
    9,725.80x = 14,595.90 × 3,886.60
  4. Step 4: Simplify right side
    9,725.80x = 56,728,424.94
  5. Step 5: Solve for x
    x = 56,728,424.94/9,725.80
  6. Step 6: Final answer
    x = 5,832.78

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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.