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Finding the Fourth Proportional to 9,795.87, 14,693.94 and 5,403.78

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Solution

The fourth proportional to 9,795.87, 14,693.94 and 5,403.78 is: 8,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.87 : 14,693.94 = 5,403.78 : x
  2. Step 2: Convert to fraction form
    9,795.87/14,693.94 = 5,403.78/x
  3. Step 3: Cross multiply
    9,795.87x = 14,693.94 × 5,403.78
  4. Step 4: Simplify right side
    9,795.87x = 79,402,819.09
  5. Step 5: Solve for x
    x = 79,402,819.09/9,795.87
  6. Step 6: Final answer
    x = 8,105.74

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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.