Home / 5,102.61-7,646.62-2,906.81

Finding the Fourth Proportional to 5,102.61, 7,646.62 and 2,906.81

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Solution

The fourth proportional to 5,102.61, 7,646.62 and 2,906.81 is: 4,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.61 : 7,646.62 = 2,906.81 : x
  2. Step 2: Convert to fraction form
    5,102.61/7,646.62 = 2,906.81/x
  3. Step 3: Cross multiply
    5,102.61x = 7,646.62 × 2,906.81
  4. Step 4: Simplify right side
    5,102.61x = 22,227,271.48
  5. Step 5: Solve for x
    x = 22,227,271.48/5,102.61
  6. Step 6: Final answer
    x = 4,356.06

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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.