Home / 8,734.84-13,102.12-3,188.16

Finding the Fourth Proportional to 8,734.84, 13,102.12 and 3,188.16

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Solution

The fourth proportional to 8,734.84, 13,102.12 and 3,188.16 is: 4,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.84 : 13,102.12 = 3,188.16 : x
  2. Step 2: Convert to fraction form
    8,734.84/13,102.12 = 3,188.16/x
  3. Step 3: Cross multiply
    8,734.84x = 13,102.12 × 3,188.16
  4. Step 4: Simplify right side
    8,734.84x = 41,771,654.90
  5. Step 5: Solve for x
    x = 41,771,654.90/8,734.84
  6. Step 6: Final answer
    x = 4,782.19

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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.