Home / 5,102.13-7,637.28-3,929.10

Finding the Fourth Proportional to 5,102.13, 7,637.28 and 3,929.10

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Solution

The fourth proportional to 5,102.13, 7,637.28 and 3,929.10 is: 5,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.13 : 7,637.28 = 3,929.10 : x
  2. Step 2: Convert to fraction form
    5,102.13/7,637.28 = 3,929.10/x
  3. Step 3: Cross multiply
    5,102.13x = 7,637.28 × 3,929.10
  4. Step 4: Simplify right side
    5,102.13x = 30,007,636.85
  5. Step 5: Solve for x
    x = 30,007,636.85/5,102.13
  6. Step 6: Final answer
    x = 5,881.39

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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.