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Finding the Fourth Proportional to 6,625.80, 9,154.08 and 6,100.92

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Solution

The fourth proportional to 6,625.80, 9,154.08 and 6,100.92 is: 8,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.80 : 9,154.08 = 6,100.92 : x
  2. Step 2: Convert to fraction form
    6,625.80/9,154.08 = 6,100.92/x
  3. Step 3: Cross multiply
    6,625.80x = 9,154.08 × 6,100.92
  4. Step 4: Simplify right side
    6,625.80x = 55,848,309.75
  5. Step 5: Solve for x
    x = 55,848,309.75/6,625.80
  6. Step 6: Final answer
    x = 8,428.92

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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.