Home / 8,676.25-13,017.11-2,831.49

Finding the Fourth Proportional to 8,676.25, 13,017.11 and 2,831.49

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Solution

The fourth proportional to 8,676.25, 13,017.11 and 2,831.49 is: 4,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.25 : 13,017.11 = 2,831.49 : x
  2. Step 2: Convert to fraction form
    8,676.25/13,017.11 = 2,831.49/x
  3. Step 3: Cross multiply
    8,676.25x = 13,017.11 × 2,831.49
  4. Step 4: Simplify right side
    8,676.25x = 36,857,802.64
  5. Step 5: Solve for x
    x = 36,857,802.64/8,676.25
  6. Step 6: Final answer
    x = 4,248.13

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1.5x scale

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.