Home / 6,918.45-10,381.82-2,475.77

Finding the Fourth Proportional to 6,918.45, 10,381.82 and 2,475.77

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Solution

The fourth proportional to 6,918.45, 10,381.82 and 2,475.77 is: 3,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.45 : 10,381.82 = 2,475.77 : x
  2. Step 2: Convert to fraction form
    6,918.45/10,381.82 = 2,475.77/x
  3. Step 3: Cross multiply
    6,918.45x = 10,381.82 × 2,475.77
  4. Step 4: Simplify right side
    6,918.45x = 25,702,934.21
  5. Step 5: Solve for x
    x = 25,702,934.21/6,918.45
  6. Step 6: Final answer
    x = 3,715.13

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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.