Home / 9,161.40-13,748.58-5,212.92

Finding the Fourth Proportional to 9,161.40, 13,748.58 and 5,212.92

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Solution

The fourth proportional to 9,161.40, 13,748.58 and 5,212.92 is: 7,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.40 : 13,748.58 = 5,212.92 : x
  2. Step 2: Convert to fraction form
    9,161.40/13,748.58 = 5,212.92/x
  3. Step 3: Cross multiply
    9,161.40x = 13,748.58 × 5,212.92
  4. Step 4: Simplify right side
    9,161.40x = 71,670,247.65
  5. Step 5: Solve for x
    x = 71,670,247.65/9,161.40
  6. Step 6: Final answer
    x = 7,823.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.