Home / 5,122.17-7,678.44-4,665.66

Finding the Fourth Proportional to 5,122.17, 7,678.44 and 4,665.66

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Solution

The fourth proportional to 5,122.17, 7,678.44 and 4,665.66 is: 6,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.17 : 7,678.44 = 4,665.66 : x
  2. Step 2: Convert to fraction form
    5,122.17/7,678.44 = 4,665.66/x
  3. Step 3: Cross multiply
    5,122.17x = 7,678.44 × 4,665.66
  4. Step 4: Simplify right side
    5,122.17x = 35,824,990.37
  5. Step 5: Solve for x
    x = 35,824,990.37/5,122.17
  6. Step 6: Final answer
    x = 6,994.10

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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.