Home / 5,222.32-7,207.32-2,984.56

Finding the Fourth Proportional to 5,222.32, 7,207.32 and 2,984.56

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Solution

The fourth proportional to 5,222.32, 7,207.32 and 2,984.56 is: 4,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.32 : 7,207.32 = 2,984.56 : x
  2. Step 2: Convert to fraction form
    5,222.32/7,207.32 = 2,984.56/x
  3. Step 3: Cross multiply
    5,222.32x = 7,207.32 × 2,984.56
  4. Step 4: Simplify right side
    5,222.32x = 21,510,678.98
  5. Step 5: Solve for x
    x = 21,510,678.98/5,222.32
  6. Step 6: Final answer
    x = 4,118.99

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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.