Home / 8,251.21-11,386.73-4,474.40

Finding the Fourth Proportional to 8,251.21, 11,386.73 and 4,474.40

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Solution

The fourth proportional to 8,251.21, 11,386.73 and 4,474.40 is: 6,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.21 : 11,386.73 = 4,474.40 : x
  2. Step 2: Convert to fraction form
    8,251.21/11,386.73 = 4,474.40/x
  3. Step 3: Cross multiply
    8,251.21x = 11,386.73 × 4,474.40
  4. Step 4: Simplify right side
    8,251.21x = 50,948,705.41
  5. Step 5: Solve for x
    x = 50,948,705.41/8,251.21
  6. Step 6: Final answer
    x = 6,174.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.