Home / 7,111.03-10,666.61-2,727.45

Finding the Fourth Proportional to 7,111.03, 10,666.61 and 2,727.45

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Solution

The fourth proportional to 7,111.03, 10,666.61 and 2,727.45 is: 4,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.03 : 10,666.61 = 2,727.45 : x
  2. Step 2: Convert to fraction form
    7,111.03/10,666.61 = 2,727.45/x
  3. Step 3: Cross multiply
    7,111.03x = 10,666.61 × 2,727.45
  4. Step 4: Simplify right side
    7,111.03x = 29,092,645.44
  5. Step 5: Solve for x
    x = 29,092,645.44/7,111.03
  6. Step 6: Final answer
    x = 4,091.20

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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.