Home / 7,831.76-11,748.11-2,567.34

Finding the Fourth Proportional to 7,831.76, 11,748.11 and 2,567.34

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Solution

The fourth proportional to 7,831.76, 11,748.11 and 2,567.34 is: 3,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.76 : 11,748.11 = 2,567.34 : x
  2. Step 2: Convert to fraction form
    7,831.76/11,748.11 = 2,567.34/x
  3. Step 3: Cross multiply
    7,831.76x = 11,748.11 × 2,567.34
  4. Step 4: Simplify right side
    7,831.76x = 30,161,379.89
  5. Step 5: Solve for x
    x = 30,161,379.89/7,831.76
  6. Step 6: Final answer
    x = 3,851.16

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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.