Home / 5,127.03-7,689.74-1,664.28

Finding the Fourth Proportional to 5,127.03, 7,689.74 and 1,664.28

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Solution

The fourth proportional to 5,127.03, 7,689.74 and 1,664.28 is: 2,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.03 : 7,689.74 = 1,664.28 : x
  2. Step 2: Convert to fraction form
    5,127.03/7,689.74 = 1,664.28/x
  3. Step 3: Cross multiply
    5,127.03x = 7,689.74 × 1,664.28
  4. Step 4: Simplify right side
    5,127.03x = 12,797,872.17
  5. Step 5: Solve for x
    x = 12,797,872.17/5,127.03
  6. Step 6: Final answer
    x = 2,496.16

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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.