Home / 8,305.50-11,453.40-7,050

Finding the Fourth Proportional to 8,305.50, 11,453.40 and 7,050

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Solution

The fourth proportional to 8,305.50, 11,453.40 and 7,050 is: 9,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.50 : 11,453.40 = 7,050 : x
  2. Step 2: Convert to fraction form
    8,305.50/11,453.40 = 7,050/x
  3. Step 3: Cross multiply
    8,305.50x = 11,453.40 × 7,050
  4. Step 4: Simplify right side
    8,305.50x = 80,746,470
  5. Step 5: Solve for x
    x = 80,746,470/8,305.50
  6. Step 6: Final answer
    x = 9,722.05

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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.