Home / 8,831.16-13,245.93-2,987.82

Finding the Fourth Proportional to 8,831.16, 13,245.93 and 2,987.82

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Solution

The fourth proportional to 8,831.16, 13,245.93 and 2,987.82 is: 4,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.16 : 13,245.93 = 2,987.82 : x
  2. Step 2: Convert to fraction form
    8,831.16/13,245.93 = 2,987.82/x
  3. Step 3: Cross multiply
    8,831.16x = 13,245.93 × 2,987.82
  4. Step 4: Simplify right side
    8,831.16x = 39,576,454.57
  5. Step 5: Solve for x
    x = 39,576,454.57/8,831.16
  6. Step 6: Final answer
    x = 4,481.46

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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.