Home / 6,918.84-10,381.89-4,151.07

Finding the Fourth Proportional to 6,918.84, 10,381.89 and 4,151.07

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Solution

The fourth proportional to 6,918.84, 10,381.89 and 4,151.07 is: 6,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.84 : 10,381.89 = 4,151.07 : x
  2. Step 2: Convert to fraction form
    6,918.84/10,381.89 = 4,151.07/x
  3. Step 3: Cross multiply
    6,918.84x = 10,381.89 × 4,151.07
  4. Step 4: Simplify right side
    6,918.84x = 43,095,952.12
  5. Step 5: Solve for x
    x = 43,095,952.12/6,918.84
  6. Step 6: Final answer
    x = 6,228.78

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1.5x scale

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.