Home / 8,628.53-12,934.09-3,360.25

Finding the Fourth Proportional to 8,628.53, 12,934.09 and 3,360.25

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Solution

The fourth proportional to 8,628.53, 12,934.09 and 3,360.25 is: 5,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.53 : 12,934.09 = 3,360.25 : x
  2. Step 2: Convert to fraction form
    8,628.53/12,934.09 = 3,360.25/x
  3. Step 3: Cross multiply
    8,628.53x = 12,934.09 × 3,360.25
  4. Step 4: Simplify right side
    8,628.53x = 43,461,694.45
  5. Step 5: Solve for x
    x = 43,461,694.45/8,628.53
  6. Step 6: Final answer
    x = 5,036.98

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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.