Home / 6,671.12-10,005.38-3,112.25

Finding the Fourth Proportional to 6,671.12, 10,005.38 and 3,112.25

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Solution

The fourth proportional to 6,671.12, 10,005.38 and 3,112.25 is: 4,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.12 : 10,005.38 = 3,112.25 : x
  2. Step 2: Convert to fraction form
    6,671.12/10,005.38 = 3,112.25/x
  3. Step 3: Cross multiply
    6,671.12x = 10,005.38 × 3,112.25
  4. Step 4: Simplify right side
    6,671.12x = 31,139,189.99
  5. Step 5: Solve for x
    x = 31,139,189.99/6,671.12
  6. Step 6: Final answer
    x = 4,667.76

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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.