Home / 5,307.21-7,324.03-2,949.35

Finding the Fourth Proportional to 5,307.21, 7,324.03 and 2,949.35

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Solution

The fourth proportional to 5,307.21, 7,324.03 and 2,949.35 is: 4,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.21 : 7,324.03 = 2,949.35 : x
  2. Step 2: Convert to fraction form
    5,307.21/7,324.03 = 2,949.35/x
  3. Step 3: Cross multiply
    5,307.21x = 7,324.03 × 2,949.35
  4. Step 4: Simplify right side
    5,307.21x = 21,601,127.88
  5. Step 5: Solve for x
    x = 21,601,127.88/5,307.21
  6. Step 6: Final answer
    x = 4,070.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.