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Finding the Fourth Proportional to 6,807.84, 10,211.68 and 2,425.44

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Solution

The fourth proportional to 6,807.84, 10,211.68 and 2,425.44 is: 3,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.84 : 10,211.68 = 2,425.44 : x
  2. Step 2: Convert to fraction form
    6,807.84/10,211.68 = 2,425.44/x
  3. Step 3: Cross multiply
    6,807.84x = 10,211.68 × 2,425.44
  4. Step 4: Simplify right side
    6,807.84x = 24,767,817.14
  5. Step 5: Solve for x
    x = 24,767,817.14/6,807.84
  6. Step 6: Final answer
    x = 3,638.13

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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.