Home / 4,865.60-6,715.86-2,850.83

Finding the Fourth Proportional to 4,865.60, 6,715.86 and 2,850.83

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Solution

The fourth proportional to 4,865.60, 6,715.86 and 2,850.83 is: 3,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.60 : 6,715.86 = 2,850.83 : x
  2. Step 2: Convert to fraction form
    4,865.60/6,715.86 = 2,850.83/x
  3. Step 3: Cross multiply
    4,865.60x = 6,715.86 × 2,850.83
  4. Step 4: Simplify right side
    4,865.60x = 19,145,741.58
  5. Step 5: Solve for x
    x = 19,145,741.58/4,865.60
  6. Step 6: Final answer
    x = 3,934.92

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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.