Home / 7,406.24-11,115.52-3,900.16

Finding the Fourth Proportional to 7,406.24, 11,115.52 and 3,900.16

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Solution

The fourth proportional to 7,406.24, 11,115.52 and 3,900.16 is: 5,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.24 : 11,115.52 = 3,900.16 : x
  2. Step 2: Convert to fraction form
    7,406.24/11,115.52 = 3,900.16/x
  3. Step 3: Cross multiply
    7,406.24x = 11,115.52 × 3,900.16
  4. Step 4: Simplify right side
    7,406.24x = 43,352,306.48
  5. Step 5: Solve for x
    x = 43,352,306.48/7,406.24
  6. Step 6: Final answer
    x = 5,853.48

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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.