Home / 4,342.12-6,512.47-1,222.34

Finding the Fourth Proportional to 4,342.12, 6,512.47 and 1,222.34

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Solution

The fourth proportional to 4,342.12, 6,512.47 and 1,222.34 is: 1,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.12 : 6,512.47 = 1,222.34 : x
  2. Step 2: Convert to fraction form
    4,342.12/6,512.47 = 1,222.34/x
  3. Step 3: Cross multiply
    4,342.12x = 6,512.47 × 1,222.34
  4. Step 4: Simplify right side
    4,342.12x = 7,960,452.58
  5. Step 5: Solve for x
    x = 7,960,452.58/4,342.12
  6. Step 6: Final answer
    x = 1,833.31

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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.