Home / 7,527.81-11,289.34-3,144.36

Finding the Fourth Proportional to 7,527.81, 11,289.34 and 3,144.36

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Solution

The fourth proportional to 7,527.81, 11,289.34 and 3,144.36 is: 4,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.81 : 11,289.34 = 3,144.36 : x
  2. Step 2: Convert to fraction form
    7,527.81/11,289.34 = 3,144.36/x
  3. Step 3: Cross multiply
    7,527.81x = 11,289.34 × 3,144.36
  4. Step 4: Simplify right side
    7,527.81x = 35,497,749.12
  5. Step 5: Solve for x
    x = 35,497,749.12/7,527.81
  6. Step 6: Final answer
    x = 4,715.55

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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.