Home / 7,765.68-10,716.60-4,228.83

Finding the Fourth Proportional to 7,765.68, 10,716.60 and 4,228.83

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Solution

The fourth proportional to 7,765.68, 10,716.60 and 4,228.83 is: 5,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.68 : 10,716.60 = 4,228.83 : x
  2. Step 2: Convert to fraction form
    7,765.68/10,716.60 = 4,228.83/x
  3. Step 3: Cross multiply
    7,765.68x = 10,716.60 × 4,228.83
  4. Step 4: Simplify right side
    7,765.68x = 45,318,679.58
  5. Step 5: Solve for x
    x = 45,318,679.58/7,765.68
  6. Step 6: Final answer
    x = 5,835.76

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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.