Home / 5,634.03-7,770.23-4,221.03

Finding the Fourth Proportional to 5,634.03, 7,770.23 and 4,221.03

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Solution

The fourth proportional to 5,634.03, 7,770.23 and 4,221.03 is: 5,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.03 : 7,770.23 = 4,221.03 : x
  2. Step 2: Convert to fraction form
    5,634.03/7,770.23 = 4,221.03/x
  3. Step 3: Cross multiply
    5,634.03x = 7,770.23 × 4,221.03
  4. Step 4: Simplify right side
    5,634.03x = 32,798,352.83
  5. Step 5: Solve for x
    x = 32,798,352.83/5,634.03
  6. Step 6: Final answer
    x = 5,821.47

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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.