Home / 8,629.63-12,937.39-4,470.84

Finding the Fourth Proportional to 8,629.63, 12,937.39 and 4,470.84

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Solution

The fourth proportional to 8,629.63, 12,937.39 and 4,470.84 is: 6,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.63 : 12,937.39 = 4,470.84 : x
  2. Step 2: Convert to fraction form
    8,629.63/12,937.39 = 4,470.84/x
  3. Step 3: Cross multiply
    8,629.63x = 12,937.39 × 4,470.84
  4. Step 4: Simplify right side
    8,629.63x = 57,840,989.53
  5. Step 5: Solve for x
    x = 57,840,989.53/8,629.63
  6. Step 6: Final answer
    x = 6,702.61

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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.