Home / 5,342.79-8,007.84-2,222.13

Finding the Fourth Proportional to 5,342.79, 8,007.84 and 2,222.13

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Solution

The fourth proportional to 5,342.79, 8,007.84 and 2,222.13 is: 3,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.79 : 8,007.84 = 2,222.13 : x
  2. Step 2: Convert to fraction form
    5,342.79/8,007.84 = 2,222.13/x
  3. Step 3: Cross multiply
    5,342.79x = 8,007.84 × 2,222.13
  4. Step 4: Simplify right side
    5,342.79x = 17,794,461.50
  5. Step 5: Solve for x
    x = 17,794,461.50/5,342.79
  6. Step 6: Final answer
    x = 3,330.56

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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.