Home / 5,445.77-8,161.48-2,157.07

Finding the Fourth Proportional to 5,445.77, 8,161.48 and 2,157.07

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Solution

The fourth proportional to 5,445.77, 8,161.48 and 2,157.07 is: 3,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.77 : 8,161.48 = 2,157.07 : x
  2. Step 2: Convert to fraction form
    5,445.77/8,161.48 = 2,157.07/x
  3. Step 3: Cross multiply
    5,445.77x = 8,161.48 × 2,157.07
  4. Step 4: Simplify right side
    5,445.77x = 17,604,883.66
  5. Step 5: Solve for x
    x = 17,604,883.66/5,445.77
  6. Step 6: Final answer
    x = 3,232.76

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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.