Home / 10,639.25-15,958.88-2,847.86

Finding the Fourth Proportional to 10,639.25, 15,958.88 and 2,847.86

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Solution

The fourth proportional to 10,639.25, 15,958.88 and 2,847.86 is: 4,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.25 : 15,958.88 = 2,847.86 : x
  2. Step 2: Convert to fraction form
    10,639.25/15,958.88 = 2,847.86/x
  3. Step 3: Cross multiply
    10,639.25x = 15,958.88 × 2,847.86
  4. Step 4: Simplify right side
    10,639.25x = 45,448,641.76
  5. Step 5: Solve for x
    x = 45,448,641.76/10,639.25
  6. Step 6: Final answer
    x = 4,271.79

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Similar ratio
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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.