Home / 5,528.84-8,309.64-5,121.44

Finding the Fourth Proportional to 5,528.84, 8,309.64 and 5,121.44

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Solution

The fourth proportional to 5,528.84, 8,309.64 and 5,121.44 is: 7,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.84 : 8,309.64 = 5,121.44 : x
  2. Step 2: Convert to fraction form
    5,528.84/8,309.64 = 5,121.44/x
  3. Step 3: Cross multiply
    5,528.84x = 8,309.64 × 5,121.44
  4. Step 4: Simplify right side
    5,528.84x = 42,557,322.68
  5. Step 5: Solve for x
    x = 42,557,322.68/5,528.84
  6. Step 6: Final answer
    x = 7,697.33

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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.