Home / 7,997.12-12,001.84-5,223.04

Finding the Fourth Proportional to 7,997.12, 12,001.84 and 5,223.04

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Solution

The fourth proportional to 7,997.12, 12,001.84 and 5,223.04 is: 7,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.12 : 12,001.84 = 5,223.04 : x
  2. Step 2: Convert to fraction form
    7,997.12/12,001.84 = 5,223.04/x
  3. Step 3: Cross multiply
    7,997.12x = 12,001.84 × 5,223.04
  4. Step 4: Simplify right side
    7,997.12x = 62,686,090.39
  5. Step 5: Solve for x
    x = 62,686,090.39/7,997.12
  6. Step 6: Final answer
    x = 7,838.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.