Home / 7,006.05-10,509.09-2,079.39

Finding the Fourth Proportional to 7,006.05, 10,509.09 and 2,079.39

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Solution

The fourth proportional to 7,006.05, 10,509.09 and 2,079.39 is: 3,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.05 : 10,509.09 = 2,079.39 : x
  2. Step 2: Convert to fraction form
    7,006.05/10,509.09 = 2,079.39/x
  3. Step 3: Cross multiply
    7,006.05x = 10,509.09 × 2,079.39
  4. Step 4: Simplify right side
    7,006.05x = 21,852,496.66
  5. Step 5: Solve for x
    x = 21,852,496.66/7,006.05
  6. Step 6: Final answer
    x = 3,119.09

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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.