Home / 8,831.64-13,247.06-2,591.40

Finding the Fourth Proportional to 8,831.64, 13,247.06 and 2,591.40

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Solution

The fourth proportional to 8,831.64, 13,247.06 and 2,591.40 is: 3,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.64 : 13,247.06 = 2,591.40 : x
  2. Step 2: Convert to fraction form
    8,831.64/13,247.06 = 2,591.40/x
  3. Step 3: Cross multiply
    8,831.64x = 13,247.06 × 2,591.40
  4. Step 4: Simplify right side
    8,831.64x = 34,328,418.33
  5. Step 5: Solve for x
    x = 34,328,418.33/8,831.64
  6. Step 6: Final answer
    x = 3,886.98

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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.