Home / 7,429.62-11,141.61-2,430.83

Finding the Fourth Proportional to 7,429.62, 11,141.61 and 2,430.83

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Solution

The fourth proportional to 7,429.62, 11,141.61 and 2,430.83 is: 3,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.62 : 11,141.61 = 2,430.83 : x
  2. Step 2: Convert to fraction form
    7,429.62/11,141.61 = 2,430.83/x
  3. Step 3: Cross multiply
    7,429.62x = 11,141.61 × 2,430.83
  4. Step 4: Simplify right side
    7,429.62x = 27,083,304.13
  5. Step 5: Solve for x
    x = 27,083,304.13/7,429.62
  6. Step 6: Final answer
    x = 3,645.31

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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.