Home / 7,326.09-10,109.37-4,341.42

Finding the Fourth Proportional to 7,326.09, 10,109.37 and 4,341.42

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Solution

The fourth proportional to 7,326.09, 10,109.37 and 4,341.42 is: 5,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.09 : 10,109.37 = 4,341.42 : x
  2. Step 2: Convert to fraction form
    7,326.09/10,109.37 = 4,341.42/x
  3. Step 3: Cross multiply
    7,326.09x = 10,109.37 × 4,341.42
  4. Step 4: Simplify right side
    7,326.09x = 43,889,021.11
  5. Step 5: Solve for x
    x = 43,889,021.11/7,326.09
  6. Step 6: Final answer
    x = 5,990.78

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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.