Home / 8,769.24-12,098.07-5,406.21

Finding the Fourth Proportional to 8,769.24, 12,098.07 and 5,406.21

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Solution

The fourth proportional to 8,769.24, 12,098.07 and 5,406.21 is: 7,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.24 : 12,098.07 = 5,406.21 : x
  2. Step 2: Convert to fraction form
    8,769.24/12,098.07 = 5,406.21/x
  3. Step 3: Cross multiply
    8,769.24x = 12,098.07 × 5,406.21
  4. Step 4: Simplify right side
    8,769.24x = 65,404,707.01
  5. Step 5: Solve for x
    x = 65,404,707.01/8,769.24
  6. Step 6: Final answer
    x = 7,458.42

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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.