Home / 9,571.41-13,207.55-5,321.79

Finding the Fourth Proportional to 9,571.41, 13,207.55 and 5,321.79

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Solution

The fourth proportional to 9,571.41, 13,207.55 and 5,321.79 is: 7,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.41 : 13,207.55 = 5,321.79 : x
  2. Step 2: Convert to fraction form
    9,571.41/13,207.55 = 5,321.79/x
  3. Step 3: Cross multiply
    9,571.41x = 13,207.55 × 5,321.79
  4. Step 4: Simplify right side
    9,571.41x = 70,287,780.91
  5. Step 5: Solve for x
    x = 70,287,780.91/9,571.41
  6. Step 6: Final answer
    x = 7,343.51

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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.