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Finding the Fourth Proportional to 6,384.40, 9,573.90 and 2,000.68

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Solution

The fourth proportional to 6,384.40, 9,573.90 and 2,000.68 is: 3,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.40 : 9,573.90 = 2,000.68 : x
  2. Step 2: Convert to fraction form
    6,384.40/9,573.90 = 2,000.68/x
  3. Step 3: Cross multiply
    6,384.40x = 9,573.90 × 2,000.68
  4. Step 4: Simplify right side
    6,384.40x = 19,154,310.25
  5. Step 5: Solve for x
    x = 19,154,310.25/6,384.40
  6. Step 6: Final answer
    x = 3,000.17

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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.