Home / 7,745.44-10,688.68-4,208.62

Finding the Fourth Proportional to 7,745.44, 10,688.68 and 4,208.62

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Solution

The fourth proportional to 7,745.44, 10,688.68 and 4,208.62 is: 5,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.44 : 10,688.68 = 4,208.62 : x
  2. Step 2: Convert to fraction form
    7,745.44/10,688.68 = 4,208.62/x
  3. Step 3: Cross multiply
    7,745.44x = 10,688.68 × 4,208.62
  4. Step 4: Simplify right side
    7,745.44x = 44,984,592.42
  5. Step 5: Solve for x
    x = 44,984,592.42/7,745.44
  6. Step 6: Final answer
    x = 5,807.88

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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.