Home / 8,676.06-13,015.80-2,831.10

Finding the Fourth Proportional to 8,676.06, 13,015.80 and 2,831.10

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Solution

The fourth proportional to 8,676.06, 13,015.80 and 2,831.10 is: 4,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.06 : 13,015.80 = 2,831.10 : x
  2. Step 2: Convert to fraction form
    8,676.06/13,015.80 = 2,831.10/x
  3. Step 3: Cross multiply
    8,676.06x = 13,015.80 × 2,831.10
  4. Step 4: Simplify right side
    8,676.06x = 36,849,031.38
  5. Step 5: Solve for x
    x = 36,849,031.38/8,676.06
  6. Step 6: Final answer
    x = 4,247.21

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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.