Home / 7,430.83-11,146.49-2,752.02

Finding the Fourth Proportional to 7,430.83, 11,146.49 and 2,752.02

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Solution

The fourth proportional to 7,430.83, 11,146.49 and 2,752.02 is: 4,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.83 : 11,146.49 = 2,752.02 : x
  2. Step 2: Convert to fraction form
    7,430.83/11,146.49 = 2,752.02/x
  3. Step 3: Cross multiply
    7,430.83x = 11,146.49 × 2,752.02
  4. Step 4: Simplify right side
    7,430.83x = 30,675,359.97
  5. Step 5: Solve for x
    x = 30,675,359.97/7,430.83
  6. Step 6: Final answer
    x = 4,128.12

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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.