Home / 7,972.72-11,001.04-4,435.84

Finding the Fourth Proportional to 7,972.72, 11,001.04 and 4,435.84

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Solution

The fourth proportional to 7,972.72, 11,001.04 and 4,435.84 is: 6,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.72 : 11,001.04 = 4,435.84 : x
  2. Step 2: Convert to fraction form
    7,972.72/11,001.04 = 4,435.84/x
  3. Step 3: Cross multiply
    7,972.72x = 11,001.04 × 4,435.84
  4. Step 4: Simplify right side
    7,972.72x = 48,798,853.27
  5. Step 5: Solve for x
    x = 48,798,853.27/7,972.72
  6. Step 6: Final answer
    x = 6,120.73

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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.