Home / 7,770.45-10,722.93-4,233.59

Finding the Fourth Proportional to 7,770.45, 10,722.93 and 4,233.59

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Solution

The fourth proportional to 7,770.45, 10,722.93 and 4,233.59 is: 5,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.45 : 10,722.93 = 4,233.59 : x
  2. Step 2: Convert to fraction form
    7,770.45/10,722.93 = 4,233.59/x
  3. Step 3: Cross multiply
    7,770.45x = 10,722.93 × 4,233.59
  4. Step 4: Simplify right side
    7,770.45x = 45,396,446.19
  5. Step 5: Solve for x
    x = 45,396,446.19/7,770.45
  6. Step 6: Final answer
    x = 5,842.19

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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.