Home / 7,018.62-10,520.64-2,634.18

Finding the Fourth Proportional to 7,018.62, 10,520.64 and 2,634.18

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Solution

The fourth proportional to 7,018.62, 10,520.64 and 2,634.18 is: 3,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.62 : 10,520.64 = 2,634.18 : x
  2. Step 2: Convert to fraction form
    7,018.62/10,520.64 = 2,634.18/x
  3. Step 3: Cross multiply
    7,018.62x = 10,520.64 × 2,634.18
  4. Step 4: Simplify right side
    7,018.62x = 27,713,259.48
  5. Step 5: Solve for x
    x = 27,713,259.48/7,018.62
  6. Step 6: Final answer
    x = 3,948.53

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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.