Home / 5,277.60-7,282.80-4,099.68

Finding the Fourth Proportional to 5,277.60, 7,282.80 and 4,099.68

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Solution

The fourth proportional to 5,277.60, 7,282.80 and 4,099.68 is: 5,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.60 : 7,282.80 = 4,099.68 : x
  2. Step 2: Convert to fraction form
    5,277.60/7,282.80 = 4,099.68/x
  3. Step 3: Cross multiply
    5,277.60x = 7,282.80 × 4,099.68
  4. Step 4: Simplify right side
    5,277.60x = 29,857,149.50
  5. Step 5: Solve for x
    x = 29,857,149.50/5,277.60
  6. Step 6: Final answer
    x = 5,657.33

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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.