Home / 5,475.52-8,216.64-3,284.80

Finding the Fourth Proportional to 5,475.52, 8,216.64 and 3,284.80

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Solution

The fourth proportional to 5,475.52, 8,216.64 and 3,284.80 is: 4,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.52 : 8,216.64 = 3,284.80 : x
  2. Step 2: Convert to fraction form
    5,475.52/8,216.64 = 3,284.80/x
  3. Step 3: Cross multiply
    5,475.52x = 8,216.64 × 3,284.80
  4. Step 4: Simplify right side
    5,475.52x = 26,990,019.07
  5. Step 5: Solve for x
    x = 26,990,019.07/5,475.52
  6. Step 6: Final answer
    x = 4,929.22

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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.