Home / 6,900.40-10,346.38-3,385.94

Finding the Fourth Proportional to 6,900.40, 10,346.38 and 3,385.94

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Solution

The fourth proportional to 6,900.40, 10,346.38 and 3,385.94 is: 5,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.40 : 10,346.38 = 3,385.94 : x
  2. Step 2: Convert to fraction form
    6,900.40/10,346.38 = 3,385.94/x
  3. Step 3: Cross multiply
    6,900.40x = 10,346.38 × 3,385.94
  4. Step 4: Simplify right side
    6,900.40x = 35,032,239.30
  5. Step 5: Solve for x
    x = 35,032,239.30/6,900.40
  6. Step 6: Final answer
    x = 5,076.84

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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.