Home / 8,174.45-11,287.10-6,283.05

Finding the Fourth Proportional to 8,174.45, 11,287.10 and 6,283.05

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Solution

The fourth proportional to 8,174.45, 11,287.10 and 6,283.05 is: 8,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.45 : 11,287.10 = 6,283.05 : x
  2. Step 2: Convert to fraction form
    8,174.45/11,287.10 = 6,283.05/x
  3. Step 3: Cross multiply
    8,174.45x = 11,287.10 × 6,283.05
  4. Step 4: Simplify right side
    8,174.45x = 70,917,382.24
  5. Step 5: Solve for x
    x = 70,917,382.24/8,174.45
  6. Step 6: Final answer
    x = 8,675.50

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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.