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Finding the Fourth Proportional to 7,972.02, 11,000.84 and 4,434.84

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Solution

The fourth proportional to 7,972.02, 11,000.84 and 4,434.84 is: 6,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.02 : 11,000.84 = 4,434.84 : x
  2. Step 2: Convert to fraction form
    7,972.02/11,000.84 = 4,434.84/x
  3. Step 3: Cross multiply
    7,972.02x = 11,000.84 × 4,434.84
  4. Step 4: Simplify right side
    7,972.02x = 48,786,943.09
  5. Step 5: Solve for x
    x = 48,786,943.09/7,972.02
  6. Step 6: Final answer
    x = 6,119.77

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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.