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Finding the Fourth Proportional to 7,952.59, 10,974.52 and 4,415.79

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Solution

The fourth proportional to 7,952.59, 10,974.52 and 4,415.79 is: 6,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.59 : 10,974.52 = 4,415.79 : x
  2. Step 2: Convert to fraction form
    7,952.59/10,974.52 = 4,415.79/x
  3. Step 3: Cross multiply
    7,952.59x = 10,974.52 × 4,415.79
  4. Step 4: Simplify right side
    7,952.59x = 48,461,175.67
  5. Step 5: Solve for x
    x = 48,461,175.67/7,952.59
  6. Step 6: Final answer
    x = 6,093.76

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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.