Home / 6,738.10-10,107.15-4,405.30

Finding the Fourth Proportional to 6,738.10, 10,107.15 and 4,405.30

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Solution

The fourth proportional to 6,738.10, 10,107.15 and 4,405.30 is: 6,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.10 : 10,107.15 = 4,405.30 : x
  2. Step 2: Convert to fraction form
    6,738.10/10,107.15 = 4,405.30/x
  3. Step 3: Cross multiply
    6,738.10x = 10,107.15 × 4,405.30
  4. Step 4: Simplify right side
    6,738.10x = 44,525,027.90
  5. Step 5: Solve for x
    x = 44,525,027.90/6,738.10
  6. Step 6: Final answer
    x = 6,607.95

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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.