Home / 6,005.79-9,006.15-2,109.30

Finding the Fourth Proportional to 6,005.79, 9,006.15 and 2,109.30

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Solution

The fourth proportional to 6,005.79, 9,006.15 and 2,109.30 is: 3,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.79 : 9,006.15 = 2,109.30 : x
  2. Step 2: Convert to fraction form
    6,005.79/9,006.15 = 2,109.30/x
  3. Step 3: Cross multiply
    6,005.79x = 9,006.15 × 2,109.30
  4. Step 4: Simplify right side
    6,005.79x = 18,996,672.20
  5. Step 5: Solve for x
    x = 18,996,672.20/6,005.79
  6. Step 6: Final answer
    x = 3,163.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.