Home / 7,770.54-10,722.96-4,233.72

Finding the Fourth Proportional to 7,770.54, 10,722.96 and 4,233.72

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Solution

The fourth proportional to 7,770.54, 10,722.96 and 4,233.72 is: 5,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.54 : 10,722.96 = 4,233.72 : x
  2. Step 2: Convert to fraction form
    7,770.54/10,722.96 = 4,233.72/x
  3. Step 3: Cross multiply
    7,770.54x = 10,722.96 × 4,233.72
  4. Step 4: Simplify right side
    7,770.54x = 45,398,010.21
  5. Step 5: Solve for x
    x = 45,398,010.21/7,770.54
  6. Step 6: Final answer
    x = 5,842.32

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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.