Home / 5,740.32-7,921.36-3,257.12

Finding the Fourth Proportional to 5,740.32, 7,921.36 and 3,257.12

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Solution

The fourth proportional to 5,740.32, 7,921.36 and 3,257.12 is: 4,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.32 : 7,921.36 = 3,257.12 : x
  2. Step 2: Convert to fraction form
    5,740.32/7,921.36 = 3,257.12/x
  3. Step 3: Cross multiply
    5,740.32x = 7,921.36 × 3,257.12
  4. Step 4: Simplify right side
    5,740.32x = 25,800,820.08
  5. Step 5: Solve for x
    x = 25,800,820.08/5,740.32
  6. Step 6: Final answer
    x = 4,494.67

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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.