Home / 5,509.63-8,266.07-2,221.03

Finding the Fourth Proportional to 5,509.63, 8,266.07 and 2,221.03

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Solution

The fourth proportional to 5,509.63, 8,266.07 and 2,221.03 is: 3,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.63 : 8,266.07 = 2,221.03 : x
  2. Step 2: Convert to fraction form
    5,509.63/8,266.07 = 2,221.03/x
  3. Step 3: Cross multiply
    5,509.63x = 8,266.07 × 2,221.03
  4. Step 4: Simplify right side
    5,509.63x = 18,359,189.45
  5. Step 5: Solve for x
    x = 18,359,189.45/5,509.63
  6. Step 6: Final answer
    x = 3,332.20

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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.