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Finding the Fourth Proportional to 7,952.34, 10,974.17 and 4,415.54

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Solution

The fourth proportional to 7,952.34, 10,974.17 and 4,415.54 is: 6,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.34 : 10,974.17 = 4,415.54 : x
  2. Step 2: Convert to fraction form
    7,952.34/10,974.17 = 4,415.54/x
  3. Step 3: Cross multiply
    7,952.34x = 10,974.17 × 4,415.54
  4. Step 4: Simplify right side
    7,952.34x = 48,456,925.08
  5. Step 5: Solve for x
    x = 48,456,925.08/7,952.34
  6. Step 6: Final answer
    x = 6,093.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.