Home / 7,375.15-10,177.03-4,390.51

Finding the Fourth Proportional to 7,375.15, 10,177.03 and 4,390.51

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Solution

The fourth proportional to 7,375.15, 10,177.03 and 4,390.51 is: 6,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.15 : 10,177.03 = 4,390.51 : x
  2. Step 2: Convert to fraction form
    7,375.15/10,177.03 = 4,390.51/x
  3. Step 3: Cross multiply
    7,375.15x = 10,177.03 × 4,390.51
  4. Step 4: Simplify right side
    7,375.15x = 44,682,351.99
  5. Step 5: Solve for x
    x = 44,682,351.99/7,375.15
  6. Step 6: Final answer
    x = 6,058.50

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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.