Home / 4,425.24-6,638.28-2,116.76

Finding the Fourth Proportional to 4,425.24, 6,638.28 and 2,116.76

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Solution

The fourth proportional to 4,425.24, 6,638.28 and 2,116.76 is: 3,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.24 : 6,638.28 = 2,116.76 : x
  2. Step 2: Convert to fraction form
    4,425.24/6,638.28 = 2,116.76/x
  3. Step 3: Cross multiply
    4,425.24x = 6,638.28 × 2,116.76
  4. Step 4: Simplify right side
    4,425.24x = 14,051,645.57
  5. Step 5: Solve for x
    x = 14,051,645.57/4,425.24
  6. Step 6: Final answer
    x = 3,175.34

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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.