Home / 5,707.11-7,875.87-3,189.32

Finding the Fourth Proportional to 5,707.11, 7,875.87 and 3,189.32

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Solution

The fourth proportional to 5,707.11, 7,875.87 and 3,189.32 is: 4,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.11 : 7,875.87 = 3,189.32 : x
  2. Step 2: Convert to fraction form
    5,707.11/7,875.87 = 3,189.32/x
  3. Step 3: Cross multiply
    5,707.11x = 7,875.87 × 3,189.32
  4. Step 4: Simplify right side
    5,707.11x = 25,118,630.33
  5. Step 5: Solve for x
    x = 25,118,630.33/5,707.11
  6. Step 6: Final answer
    x = 4,401.29

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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.