Home / 8,628.08-12,943.80-3,697.04

Finding the Fourth Proportional to 8,628.08, 12,943.80 and 3,697.04

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Solution

The fourth proportional to 8,628.08, 12,943.80 and 3,697.04 is: 5,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.08 : 12,943.80 = 3,697.04 : x
  2. Step 2: Convert to fraction form
    8,628.08/12,943.80 = 3,697.04/x
  3. Step 3: Cross multiply
    8,628.08x = 12,943.80 × 3,697.04
  4. Step 4: Simplify right side
    8,628.08x = 47,853,746.35
  5. Step 5: Solve for x
    x = 47,853,746.35/8,628.08
  6. Step 6: Final answer
    x = 5,546.28

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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.