Home / 5,727.21-7,905.11-3,370.11

Finding the Fourth Proportional to 5,727.21, 7,905.11 and 3,370.11

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Solution

The fourth proportional to 5,727.21, 7,905.11 and 3,370.11 is: 4,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.21 : 7,905.11 = 3,370.11 : x
  2. Step 2: Convert to fraction form
    5,727.21/7,905.11 = 3,370.11/x
  3. Step 3: Cross multiply
    5,727.21x = 7,905.11 × 3,370.11
  4. Step 4: Simplify right side
    5,727.21x = 26,641,090.26
  5. Step 5: Solve for x
    x = 26,641,090.26/5,727.21
  6. Step 6: Final answer
    x = 4,651.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.