Home / 6,783.80-10,174.72-2,625.77

Finding the Fourth Proportional to 6,783.80, 10,174.72 and 2,625.77

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Solution

The fourth proportional to 6,783.80, 10,174.72 and 2,625.77 is: 3,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.80 : 10,174.72 = 2,625.77 : x
  2. Step 2: Convert to fraction form
    6,783.80/10,174.72 = 2,625.77/x
  3. Step 3: Cross multiply
    6,783.80x = 10,174.72 × 2,625.77
  4. Step 4: Simplify right side
    6,783.80x = 26,716,474.53
  5. Step 5: Solve for x
    x = 26,716,474.53/6,783.80
  6. Step 6: Final answer
    x = 3,938.28

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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.