Home / 5,521.68-8,282.64-1,626.48

Finding the Fourth Proportional to 5,521.68, 8,282.64 and 1,626.48

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Solution

The fourth proportional to 5,521.68, 8,282.64 and 1,626.48 is: 2,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.68 : 8,282.64 = 1,626.48 : x
  2. Step 2: Convert to fraction form
    5,521.68/8,282.64 = 1,626.48/x
  3. Step 3: Cross multiply
    5,521.68x = 8,282.64 × 1,626.48
  4. Step 4: Simplify right side
    5,521.68x = 13,471,548.31
  5. Step 5: Solve for x
    x = 13,471,548.31/5,521.68
  6. Step 6: Final answer
    x = 2,439.76

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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.