Home / 5,548.29-8,322.36-1,388.28

Finding the Fourth Proportional to 5,548.29, 8,322.36 and 1,388.28

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Solution

The fourth proportional to 5,548.29, 8,322.36 and 1,388.28 is: 2,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.29 : 8,322.36 = 1,388.28 : x
  2. Step 2: Convert to fraction form
    5,548.29/8,322.36 = 1,388.28/x
  3. Step 3: Cross multiply
    5,548.29x = 8,322.36 × 1,388.28
  4. Step 4: Simplify right side
    5,548.29x = 11,553,760.73
  5. Step 5: Solve for x
    x = 11,553,760.73/5,548.29
  6. Step 6: Final answer
    x = 2,082.40

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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.