Home / 8,089.08-11,165.88-5,106.87

Finding the Fourth Proportional to 8,089.08, 11,165.88 and 5,106.87

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Solution

The fourth proportional to 8,089.08, 11,165.88 and 5,106.87 is: 7,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.08 : 11,165.88 = 5,106.87 : x
  2. Step 2: Convert to fraction form
    8,089.08/11,165.88 = 5,106.87/x
  3. Step 3: Cross multiply
    8,089.08x = 11,165.88 × 5,106.87
  4. Step 4: Simplify right side
    8,089.08x = 57,022,697.60
  5. Step 5: Solve for x
    x = 57,022,697.60/8,089.08
  6. Step 6: Final answer
    x = 7,049.34

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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.