Home / 7,509.12-11,270.73-3,814.00

Finding the Fourth Proportional to 7,509.12, 11,270.73 and 3,814.00

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Solution

The fourth proportional to 7,509.12, 11,270.73 and 3,814.00 is: 5,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.12 : 11,270.73 = 3,814.00 : x
  2. Step 2: Convert to fraction form
    7,509.12/11,270.73 = 3,814.00/x
  3. Step 3: Cross multiply
    7,509.12x = 11,270.73 × 3,814.00
  4. Step 4: Simplify right side
    7,509.12x = 42,986,550.35
  5. Step 5: Solve for x
    x = 42,986,550.35/7,509.12
  6. Step 6: Final answer
    x = 5,724.58

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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.