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Finding the Fourth Proportional to 8,273, 11,426.49 and 5,473.64

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Solution

The fourth proportional to 8,273, 11,426.49 and 5,473.64 is: 7,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273 : 11,426.49 = 5,473.64 : x
  2. Step 2: Convert to fraction form
    8,273/11,426.49 = 5,473.64/x
  3. Step 3: Cross multiply
    8,273x = 11,426.49 × 5,473.64
  4. Step 4: Simplify right side
    8,273x = 62,544,492.72
  5. Step 5: Solve for x
    x = 62,544,492.72/8,273
  6. Step 6: Final answer
    x = 7,560.07

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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.