Home / 7,172.36-10,752.08-2,554.28

Finding the Fourth Proportional to 7,172.36, 10,752.08 and 2,554.28

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Solution

The fourth proportional to 7,172.36, 10,752.08 and 2,554.28 is: 3,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.36 : 10,752.08 = 2,554.28 : x
  2. Step 2: Convert to fraction form
    7,172.36/10,752.08 = 2,554.28/x
  3. Step 3: Cross multiply
    7,172.36x = 10,752.08 × 2,554.28
  4. Step 4: Simplify right side
    7,172.36x = 27,463,822.90
  5. Step 5: Solve for x
    x = 27,463,822.90/7,172.36
  6. Step 6: Final answer
    x = 3,829.12

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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.