Home / 7,770.22-10,722.50-4,233.30

Finding the Fourth Proportional to 7,770.22, 10,722.50 and 4,233.30

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Solution

The fourth proportional to 7,770.22, 10,722.50 and 4,233.30 is: 5,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.22 : 10,722.50 = 4,233.30 : x
  2. Step 2: Convert to fraction form
    7,770.22/10,722.50 = 4,233.30/x
  3. Step 3: Cross multiply
    7,770.22x = 10,722.50 × 4,233.30
  4. Step 4: Simplify right side
    7,770.22x = 45,391,559.25
  5. Step 5: Solve for x
    x = 45,391,559.25/7,770.22
  6. Step 6: Final answer
    x = 5,841.73

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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.