Home / 7,721.20-10,654.96-4,184.34

Finding the Fourth Proportional to 7,721.20, 10,654.96 and 4,184.34

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Solution

The fourth proportional to 7,721.20, 10,654.96 and 4,184.34 is: 5,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.20 : 10,654.96 = 4,184.34 : x
  2. Step 2: Convert to fraction form
    7,721.20/10,654.96 = 4,184.34/x
  3. Step 3: Cross multiply
    7,721.20x = 10,654.96 × 4,184.34
  4. Step 4: Simplify right side
    7,721.20x = 44,583,975.33
  5. Step 5: Solve for x
    x = 44,583,975.33/7,721.20
  6. Step 6: Final answer
    x = 5,774.23

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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.