Home / 5,307.05-7,954.02-2,185.10

Finding the Fourth Proportional to 5,307.05, 7,954.02 and 2,185.10

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Solution

The fourth proportional to 5,307.05, 7,954.02 and 2,185.10 is: 3,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.05 : 7,954.02 = 2,185.10 : x
  2. Step 2: Convert to fraction form
    5,307.05/7,954.02 = 2,185.10/x
  3. Step 3: Cross multiply
    5,307.05x = 7,954.02 × 2,185.10
  4. Step 4: Simplify right side
    5,307.05x = 17,380,348.99
  5. Step 5: Solve for x
    x = 17,380,348.99/5,307.05
  6. Step 6: Final answer
    x = 3,274.96

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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.