Home / 7,309.29-10,086.21-4,123.37

Finding the Fourth Proportional to 7,309.29, 10,086.21 and 4,123.37

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Solution

The fourth proportional to 7,309.29, 10,086.21 and 4,123.37 is: 5,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.29 : 10,086.21 = 4,123.37 : x
  2. Step 2: Convert to fraction form
    7,309.29/10,086.21 = 4,123.37/x
  3. Step 3: Cross multiply
    7,309.29x = 10,086.21 × 4,123.37
  4. Step 4: Simplify right side
    7,309.29x = 41,589,125.30
  5. Step 5: Solve for x
    x = 41,589,125.30/7,309.29
  6. Step 6: Final answer
    x = 5,689.90

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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.