Home / 5,155.12-7,729.42-2,848.24

Finding the Fourth Proportional to 5,155.12, 7,729.42 and 2,848.24

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Solution

The fourth proportional to 5,155.12, 7,729.42 and 2,848.24 is: 4,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.12 : 7,729.42 = 2,848.24 : x
  2. Step 2: Convert to fraction form
    5,155.12/7,729.42 = 2,848.24/x
  3. Step 3: Cross multiply
    5,155.12x = 7,729.42 × 2,848.24
  4. Step 4: Simplify right side
    5,155.12x = 22,015,243.22
  5. Step 5: Solve for x
    x = 22,015,243.22/5,155.12
  6. Step 6: Final answer
    x = 4,270.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.