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Finding the Fourth Proportional to 6,554.34, 9,832.68 and 3,091.50

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Solution

The fourth proportional to 6,554.34, 9,832.68 and 3,091.50 is: 4,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.34 : 9,832.68 = 3,091.50 : x
  2. Step 2: Convert to fraction form
    6,554.34/9,832.68 = 3,091.50/x
  3. Step 3: Cross multiply
    6,554.34x = 9,832.68 × 3,091.50
  4. Step 4: Simplify right side
    6,554.34x = 30,397,730.22
  5. Step 5: Solve for x
    x = 30,397,730.22/6,554.34
  6. Step 6: Final answer
    x = 4,637.80

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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.