Home / 7,387.05-10,194.12-4,029.87

Finding the Fourth Proportional to 7,387.05, 10,194.12 and 4,029.87

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Solution

The fourth proportional to 7,387.05, 10,194.12 and 4,029.87 is: 5,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.05 : 10,194.12 = 4,029.87 : x
  2. Step 2: Convert to fraction form
    7,387.05/10,194.12 = 4,029.87/x
  3. Step 3: Cross multiply
    7,387.05x = 10,194.12 × 4,029.87
  4. Step 4: Simplify right side
    7,387.05x = 41,080,978.36
  5. Step 5: Solve for x
    x = 41,080,978.36/7,387.05
  6. Step 6: Final answer
    x = 5,561.22

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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.