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Finding the Fourth Proportional to 6,281.93, 8,669.22 and 3,630.26

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Solution

The fourth proportional to 6,281.93, 8,669.22 and 3,630.26 is: 5,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.93 : 8,669.22 = 3,630.26 : x
  2. Step 2: Convert to fraction form
    6,281.93/8,669.22 = 3,630.26/x
  3. Step 3: Cross multiply
    6,281.93x = 8,669.22 × 3,630.26
  4. Step 4: Simplify right side
    6,281.93x = 31,471,522.60
  5. Step 5: Solve for x
    x = 31,471,522.60/6,281.93
  6. Step 6: Final answer
    x = 5,009.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.