Home / 5,005.21-7,507.11-3,150.67

Finding the Fourth Proportional to 5,005.21, 7,507.11 and 3,150.67

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Solution

The fourth proportional to 5,005.21, 7,507.11 and 3,150.67 is: 4,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.21 : 7,507.11 = 3,150.67 : x
  2. Step 2: Convert to fraction form
    5,005.21/7,507.11 = 3,150.67/x
  3. Step 3: Cross multiply
    5,005.21x = 7,507.11 × 3,150.67
  4. Step 4: Simplify right side
    5,005.21x = 23,652,426.26
  5. Step 5: Solve for x
    x = 23,652,426.26/5,005.21
  6. Step 6: Final answer
    x = 4,725.56

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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.