Home / 7,309.13-10,086.26-4,122.99

Finding the Fourth Proportional to 7,309.13, 10,086.26 and 4,122.99

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Solution

The fourth proportional to 7,309.13, 10,086.26 and 4,122.99 is: 5,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.13 : 10,086.26 = 4,122.99 : x
  2. Step 2: Convert to fraction form
    7,309.13/10,086.26 = 4,122.99/x
  3. Step 3: Cross multiply
    7,309.13x = 10,086.26 × 4,122.99
  4. Step 4: Simplify right side
    7,309.13x = 41,585,528.50
  5. Step 5: Solve for x
    x = 41,585,528.50/7,309.13
  6. Step 6: Final answer
    x = 5,689.54

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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.