Home / 5,729.20-8,595.42-2,220.28

Finding the Fourth Proportional to 5,729.20, 8,595.42 and 2,220.28

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Solution

The fourth proportional to 5,729.20, 8,595.42 and 2,220.28 is: 3,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.20 : 8,595.42 = 2,220.28 : x
  2. Step 2: Convert to fraction form
    5,729.20/8,595.42 = 2,220.28/x
  3. Step 3: Cross multiply
    5,729.20x = 8,595.42 × 2,220.28
  4. Step 4: Simplify right side
    5,729.20x = 19,084,239.12
  5. Step 5: Solve for x
    x = 19,084,239.12/5,729.20
  6. Step 6: Final answer
    x = 3,331.05

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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.