Home / 8,160.30-11,250.50-5,889.74

Finding the Fourth Proportional to 8,160.30, 11,250.50 and 5,889.74

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Solution

The fourth proportional to 8,160.30, 11,250.50 and 5,889.74 is: 8,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.30 : 11,250.50 = 5,889.74 : x
  2. Step 2: Convert to fraction form
    8,160.30/11,250.50 = 5,889.74/x
  3. Step 3: Cross multiply
    8,160.30x = 11,250.50 × 5,889.74
  4. Step 4: Simplify right side
    8,160.30x = 66,262,519.87
  5. Step 5: Solve for x
    x = 66,262,519.87/8,160.30
  6. Step 6: Final answer
    x = 8,120.11

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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.