Home / 7,125.05-9,833.25-4,142.22

Finding the Fourth Proportional to 7,125.05, 9,833.25 and 4,142.22

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Solution

The fourth proportional to 7,125.05, 9,833.25 and 4,142.22 is: 5,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.05 : 9,833.25 = 4,142.22 : x
  2. Step 2: Convert to fraction form
    7,125.05/9,833.25 = 4,142.22/x
  3. Step 3: Cross multiply
    7,125.05x = 9,833.25 × 4,142.22
  4. Step 4: Simplify right side
    7,125.05x = 40,731,484.82
  5. Step 5: Solve for x
    x = 40,731,484.82/7,125.05
  6. Step 6: Final answer
    x = 5,716.66

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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.