Home / 7,133.75-9,839.89-4,299.20

Finding the Fourth Proportional to 7,133.75, 9,839.89 and 4,299.20

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Solution

The fourth proportional to 7,133.75, 9,839.89 and 4,299.20 is: 5,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.75 : 9,839.89 = 4,299.20 : x
  2. Step 2: Convert to fraction form
    7,133.75/9,839.89 = 4,299.20/x
  3. Step 3: Cross multiply
    7,133.75x = 9,839.89 × 4,299.20
  4. Step 4: Simplify right side
    7,133.75x = 42,303,655.09
  5. Step 5: Solve for x
    x = 42,303,655.09/7,133.75
  6. Step 6: Final answer
    x = 5,930.07

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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.