Home / 7,770.13-10,722.90-4,233.35

Finding the Fourth Proportional to 7,770.13, 10,722.90 and 4,233.35

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Solution

The fourth proportional to 7,770.13, 10,722.90 and 4,233.35 is: 5,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.13 : 10,722.90 = 4,233.35 : x
  2. Step 2: Convert to fraction form
    7,770.13/10,722.90 = 4,233.35/x
  3. Step 3: Cross multiply
    7,770.13x = 10,722.90 × 4,233.35
  4. Step 4: Simplify right side
    7,770.13x = 45,393,788.72
  5. Step 5: Solve for x
    x = 45,393,788.72/7,770.13
  6. Step 6: Final answer
    x = 5,842.09

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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.