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Finding the Fourth Proportional to 7,000.83, 10,486.89 and 5,606.62

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Solution

The fourth proportional to 7,000.83, 10,486.89 and 5,606.62 is: 8,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.83 : 10,486.89 = 5,606.62 : x
  2. Step 2: Convert to fraction form
    7,000.83/10,486.89 = 5,606.62/x
  3. Step 3: Cross multiply
    7,000.83x = 10,486.89 × 5,606.62
  4. Step 4: Simplify right side
    7,000.83x = 58,795,996.76
  5. Step 5: Solve for x
    x = 58,795,996.76/7,000.83
  6. Step 6: Final answer
    x = 8,398.43

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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.