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Finding the Fourth Proportional to 6,693.09, 9,995.69 and 5,378.84

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Solution

The fourth proportional to 6,693.09, 9,995.69 and 5,378.84 is: 8,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.09 : 9,995.69 = 5,378.84 : x
  2. Step 2: Convert to fraction form
    6,693.09/9,995.69 = 5,378.84/x
  3. Step 3: Cross multiply
    6,693.09x = 9,995.69 × 5,378.84
  4. Step 4: Simplify right side
    6,693.09x = 53,765,235.47
  5. Step 5: Solve for x
    x = 53,765,235.47/6,693.09
  6. Step 6: Final answer
    x = 8,032.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.