Home / 6,900.13-10,352.90-3,976.84

Finding the Fourth Proportional to 6,900.13, 10,352.90 and 3,976.84

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Solution

The fourth proportional to 6,900.13, 10,352.90 and 3,976.84 is: 5,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.13 : 10,352.90 = 3,976.84 : x
  2. Step 2: Convert to fraction form
    6,900.13/10,352.90 = 3,976.84/x
  3. Step 3: Cross multiply
    6,900.13x = 10,352.90 × 3,976.84
  4. Step 4: Simplify right side
    6,900.13x = 41,171,826.84
  5. Step 5: Solve for x
    x = 41,171,826.84/6,900.13
  6. Step 6: Final answer
    x = 5,966.82

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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.