Home / 7,371.88-11,051.28-5,286.64

Finding the Fourth Proportional to 7,371.88, 11,051.28 and 5,286.64

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Solution

The fourth proportional to 7,371.88, 11,051.28 and 5,286.64 is: 7,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.88 : 11,051.28 = 5,286.64 : x
  2. Step 2: Convert to fraction form
    7,371.88/11,051.28 = 5,286.64/x
  3. Step 3: Cross multiply
    7,371.88x = 11,051.28 × 5,286.64
  4. Step 4: Simplify right side
    7,371.88x = 58,424,138.90
  5. Step 5: Solve for x
    x = 58,424,138.90/7,371.88
  6. Step 6: Final answer
    x = 7,925.27

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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.