Home / 5,445.32-8,157.70-3,217.51

Finding the Fourth Proportional to 5,445.32, 8,157.70 and 3,217.51

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Solution

The fourth proportional to 5,445.32, 8,157.70 and 3,217.51 is: 4,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.32 : 8,157.70 = 3,217.51 : x
  2. Step 2: Convert to fraction form
    5,445.32/8,157.70 = 3,217.51/x
  3. Step 3: Cross multiply
    5,445.32x = 8,157.70 × 3,217.51
  4. Step 4: Simplify right side
    5,445.32x = 26,247,481.33
  5. Step 5: Solve for x
    x = 26,247,481.33/5,445.32
  6. Step 6: Final answer
    x = 4,820.19

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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.