Home / 4,283.76-6,429.84-3,512.88

Finding the Fourth Proportional to 4,283.76, 6,429.84 and 3,512.88

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Solution

The fourth proportional to 4,283.76, 6,429.84 and 3,512.88 is: 5,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.76 : 6,429.84 = 3,512.88 : x
  2. Step 2: Convert to fraction form
    4,283.76/6,429.84 = 3,512.88/x
  3. Step 3: Cross multiply
    4,283.76x = 6,429.84 × 3,512.88
  4. Step 4: Simplify right side
    4,283.76x = 22,587,256.34
  5. Step 5: Solve for x
    x = 22,587,256.34/4,283.76
  6. Step 6: Final answer
    x = 5,272.76

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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.