Home / 6,786.59-10,178.81-4,153.19

Finding the Fourth Proportional to 6,786.59, 10,178.81 and 4,153.19

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Solution

The fourth proportional to 6,786.59, 10,178.81 and 4,153.19 is: 6,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.59 : 10,178.81 = 4,153.19 : x
  2. Step 2: Convert to fraction form
    6,786.59/10,178.81 = 4,153.19/x
  3. Step 3: Cross multiply
    6,786.59x = 10,178.81 × 4,153.19
  4. Step 4: Simplify right side
    6,786.59x = 42,274,460.24
  5. Step 5: Solve for x
    x = 42,274,460.24/6,786.59
  6. Step 6: Final answer
    x = 6,229.12

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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.