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Finding the Fourth Proportional to 5,294.44, 7,935.18 and 5,164.84

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Solution

The fourth proportional to 5,294.44, 7,935.18 and 5,164.84 is: 7,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.44 : 7,935.18 = 5,164.84 : x
  2. Step 2: Convert to fraction form
    5,294.44/7,935.18 = 5,164.84/x
  3. Step 3: Cross multiply
    5,294.44x = 7,935.18 × 5,164.84
  4. Step 4: Simplify right side
    5,294.44x = 40,983,935.07
  5. Step 5: Solve for x
    x = 40,983,935.07/5,294.44
  6. Step 6: Final answer
    x = 7,740.94

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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.