Home / 4,212.17-6,307.21-2,729.10

Finding the Fourth Proportional to 4,212.17, 6,307.21 and 2,729.10

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Solution

The fourth proportional to 4,212.17, 6,307.21 and 2,729.10 is: 4,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.17 : 6,307.21 = 2,729.10 : x
  2. Step 2: Convert to fraction form
    4,212.17/6,307.21 = 2,729.10/x
  3. Step 3: Cross multiply
    4,212.17x = 6,307.21 × 2,729.10
  4. Step 4: Simplify right side
    4,212.17x = 17,213,006.81
  5. Step 5: Solve for x
    x = 17,213,006.81/4,212.17
  6. Step 6: Final answer
    x = 4,086.49

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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.