Home / 9,222.81-12,725.89-5,189.08

Finding the Fourth Proportional to 9,222.81, 12,725.89 and 5,189.08

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Solution

The fourth proportional to 9,222.81, 12,725.89 and 5,189.08 is: 7,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.81 : 12,725.89 = 5,189.08 : x
  2. Step 2: Convert to fraction form
    9,222.81/12,725.89 = 5,189.08/x
  3. Step 3: Cross multiply
    9,222.81x = 12,725.89 × 5,189.08
  4. Step 4: Simplify right side
    9,222.81x = 66,035,604.56
  5. Step 5: Solve for x
    x = 66,035,604.56/9,222.81
  6. Step 6: Final answer
    x = 7,160.03

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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.