Home / 5,284.08-7,930.98-2,688.84

Finding the Fourth Proportional to 5,284.08, 7,930.98 and 2,688.84

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Solution

The fourth proportional to 5,284.08, 7,930.98 and 2,688.84 is: 4,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.08 : 7,930.98 = 2,688.84 : x
  2. Step 2: Convert to fraction form
    5,284.08/7,930.98 = 2,688.84/x
  3. Step 3: Cross multiply
    5,284.08x = 7,930.98 × 2,688.84
  4. Step 4: Simplify right side
    5,284.08x = 21,325,136.26
  5. Step 5: Solve for x
    x = 21,325,136.26/5,284.08
  6. Step 6: Final answer
    x = 4,035.73

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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.